3902804 has 6 divisors (see below), whose sum is σ = 6829914. Its totient is φ = 1951400.

The previous prime is 3902803. The next prime is 3902813. The reversal of 3902804 is 4082093.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 21904 = 1970^2 + 148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487847 + ... + 487854.

It is an arithmetic number, because the mean of its divisors is an integer number (1138319).

Almost surely, 2^3902804 is an apocalyptic number.

It is an amenable number.

3902804 is a deficient number, since it is larger than the sum of its proper divisors (2927110).

3902804 is a wasteful number, since it uses less digits than its factorization.

3902804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975705 (or 975703 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3902804 is about 1975.5515685499. The cubic root of 3902804 is about 157.4438062739.

Adding to 3902804 its reverse (4082093), we get a palindrome (7984897).

The spelling of 3902804 in words is "three million, nine hundred two thousand, eight hundred four".