3473220 has 48 divisors (see below), whose sum is σ = 9834048. Its totient is φ = 915840.

The previous prime is 3473191. The next prime is 3473221. The reversal of 3473220 is 223743.

It is a happy number.

3473220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3473221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6150 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (204876).

Almost surely, 2^3473220 is an apocalyptic number.

3473220 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 3473220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4917024).

3473220 is an abundant number, since it is smaller than the sum of its proper divisors (6360828).

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

3473220 is a wasteful number, since it uses less digits than its factorization.

3473220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3473220 is about 1863.6576938912. The cubic root of 3473220 is about 151.4412193406.

Adding to 3473220 its reverse (223743), we get a palindrome (3696963).

The spelling of 3473220 in words is "three million, four hundred seventy-three thousand, two hundred twenty".