3549904 has 20 divisors (see below), whose sum is σ = 6936064. Its totient is φ = 1759968.

The previous prime is 3549901. The next prime is 3549911. The reversal of 3549904 is 4099453.

It is a self number, because there is not a number n which added to its sum of digits gives 3549904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549901) 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, 1159 + ... + 2905.

Almost surely, 2^3549904 is an apocalyptic number.

It is an amenable number.

3549904 is a deficient number, since it is larger than the sum of its proper divisors (3386160).

3549904 is a wasteful number, since it uses less digits than its factorization.

3549904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3549904 is about 1884.1188922146. The cubic root of 3549904 is about 152.5476550878.

The spelling of 3549904 in words is "three million, five hundred forty-nine thousand, nine hundred four".