3285904 has 20 divisors (see below), whose sum is σ = 6523020. Its totient is φ = 1602560.

The previous prime is 3285901. The next prime is 3285923. The reversal of 3285904 is 4095823.

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 2560000 = 852^2 + 1600^2 .

It is not an unprimeable number, because it can be changed into a prime (3285901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (326151).

Almost surely, 2^3285904 is an apocalyptic number.

It is an amenable number.

3285904 is a deficient number, since it is larger than the sum of its proper divisors (3237116).

3285904 is a wasteful number, since it uses less digits than its factorization.

3285904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3285904 is about 1812.7062641255. The cubic root of 3285904 is about 148.6682708999.

The spelling of 3285904 in words is "three million, two hundred eighty-five thousand, nine hundred four".