2863904 has 24 divisors (see below), whose sum is σ = 5822208. Its totient is φ = 1385280.

The previous prime is 2863897. The next prime is 2863907. The reversal of 2863904 is 4093682.

It is a super-2 number, since 2×2863904² = 16403892242432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2863907) 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, 452 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (242592).

2^2863904 is an apocalyptic number.

It is an amenable number.

2863904 is an abundant number, since it is smaller than the sum of its proper divisors (2958304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2863904 is a wasteful number, since it uses less digits than its factorization.

2863904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2863904 is about 1692.3073006993. The cubic root of 2863904 is about 142.0101824345.

The spelling of 2863904 in words is "two million, eight hundred sixty-three thousand, nine hundred four".