3497520 has 160 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 801792.

The previous prime is 3497519. The next prime is 3497521. The reversal of 3497520 is 257943.

3497520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3497519) and next prime (3497521).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3497521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59251 + ... + 59309.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

Almost surely, 2^3497520 is an apocalyptic number.

3497520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3497520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249600).

3497520 is an abundant number, since it is smaller than the sum of its proper divisors (9001680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3497520 is a wasteful number, since it uses less digits than its factorization.

3497520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3497520 is about 1870.1657680537. The cubic root of 3497520 is about 151.7935794507.

The spelling of 3497520 in words is "three million, four hundred ninety-seven thousand, five hundred twenty".