3930825 has 24 divisors (see below), whose sum is σ = 6883488. Its totient is φ = 1972480.

The previous prime is 3930811. The next prime is 3930827. The reversal of 3930825 is 5280393.

It is a happy number.

It is not a de Polignac number, because 3930825 - 2⁶ = 3930761 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3930792 and 3930801.

It is not an unprimeable number, because it can be changed into a prime (3930827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (286812).

Almost surely, 2^3930825 is an apocalyptic number.

It is an amenable number.

3930825 is a deficient number, since it is larger than the sum of its proper divisors (2952663).

3930825 is a wasteful number, since it uses less digits than its factorization.

3930825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3930825 is about 1982.6308279657. The cubic root of 3930825 is about 157.8197083594.

The spelling of 3930825 in words is "three million, nine hundred thirty thousand, eight hundred twenty-five".