2868904 has 8 divisors (see below), whose sum is σ = 5379210. Its totient is φ = 1434448.

The previous prime is 2868871. The next prime is 2868919. The reversal of 2868904 is 4098682.

2868904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 302500 = 1602^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2868904² = 16461220322432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179299 + ... + 179314.

2^2868904 is an apocalyptic number.

It is an amenable number.

2868904 is a deficient number, since it is larger than the sum of its proper divisors (2510306).

2868904 is a wasteful number, since it uses less digits than its factorization.

2868904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358619 (or 358615 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2868904 is about 1693.7839295495. The cubic root of 2868904 is about 142.0927780911.

The spelling of 2868904 in words is "two million, eight hundred sixty-eight thousand, nine hundred four".