3204520 has 32 divisors (see below), whose sum is σ = 7866720. Its totient is φ = 1165120.

The previous prime is 3204511. The next prime is 3204557. The reversal of 3204520 is 254023.

It is a junction number, because it is equal to n+sod(n) for n = 3204494 and 3204503.

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, 3202 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (245835).

Almost surely, 2^3204520 is an apocalyptic number.

It is an amenable number.

3204520 is an abundant number, since it is smaller than the sum of its proper divisors (4662200).

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

3204520 is a wasteful number, since it uses less digits than its factorization.

3204520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305 (or 7301 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3204520 is about 1790.1173145914. The cubic root of 3204520 is about 147.4306098968.

Adding to 3204520 its reverse (254023), we get a palindrome (3458543).

The spelling of 3204520 in words is "three million, two hundred four thousand, five hundred twenty".