3900828 has 36 divisors (see below), whose sum is σ = 9379608. Its totient is φ = 1261440.

The previous prime is 3900817. The next prime is 3900829. The reversal of 3900828 is 8280093.

It is a junction number, because it is equal to n+sod(n) for n = 3900795 and 3900804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53400 + ... + 53472.

Almost surely, 2^3900828 is an apocalyptic number.

It is an amenable number.

3900828 is an abundant number, since it is smaller than the sum of its proper divisors (5478780).

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

3900828 is a wasteful number, since it uses less digits than its factorization.

3900828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3900828 is about 1975.0513917364. The cubic root of 3900828 is about 157.4172303829.

The spelling of 3900828 in words is "three million, nine hundred thousand, eight hundred twenty-eight".