3230520 has 32 divisors (see below), whose sum is σ = 9691920. Its totient is φ = 861440.

The previous prime is 3230519. The next prime is 3230531. The reversal of 3230520 is 250323.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3230520.

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, 13341 + ... + 13580.

Almost surely, 2^3230520 is an apocalyptic number.

3230520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3230520 is an abundant number, since it is smaller than the sum of its proper divisors (6461400).

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

3230520 is a wasteful number, since it uses less digits than its factorization.

3230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935 (or 26931 counting only the distinct ones).

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

The square root of 3230520 is about 1797.3647376089. The cubic root of 3230520 is about 147.8282643980.

Adding to 3230520 its reverse (250323), we get a palindrome (3480843).

The spelling of 3230520 in words is "three million, two hundred thirty thousand, five hundred twenty".