3520032 has 48 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 1140480.

The previous prime is 3520021. The next prime is 3520043. The reversal of 3520032 is 2300253.

It is an interprime number because it is at equal distance from previous prime (3520021) and next prime (3520043).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 3519993 and 3520020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3057 + ... + 4047.

It is an arithmetic number, because the mean of its divisors is an integer number (197904).

Almost surely, 2^3520032 is an apocalyptic number.

3520032 is a gapful number since it is divisible by the number (32) 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 3520032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749696).

3520032 is an abundant number, since it is smaller than the sum of its proper divisors (5979360).

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

3520032 is a wasteful number, since it uses less digits than its factorization.

3520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3520032 is about 1876.1748319386. The cubic root of 3520032 is about 152.1185593930.

Adding to 3520032 its reverse (2300253), we get a palindrome (5820285).

The spelling of 3520032 in words is "three million, five hundred twenty thousand, thirty-two".