2997864 has 32 divisors (see below), whose sum is σ = 8328000. Its totient is φ = 999216.

The previous prime is 2997859. The next prime is 2997871. The reversal of 2997864 is 4687992.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6724 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (260250).

2^2997864 is an apocalyptic number.

2997864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2997864 is an abundant number, since it is smaller than the sum of its proper divisors (5330136).

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

2997864 is a wasteful number, since it uses less digits than its factorization.

2997864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13894 (or 13884 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2997864 is about 1731.4340876857. The cubic root of 2997864 is about 144.1907195139.

The spelling of 2997864 in words is "two million, nine hundred ninety-seven thousand, eight hundred sixty-four".