2850864 has 20 divisors (see below), whose sum is σ = 7364856. Its totient is φ = 950272.

The previous prime is 2850851. The next prime is 2850871. The reversal of 2850864 is 4680582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29649 + ... + 29744.

2^2850864 is an apocalyptic number.

2850864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2850864 is an abundant number, since it is smaller than the sum of its proper divisors (4513992).

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

2850864 is a wasteful number, since it uses less digits than its factorization.

2850864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59404 (or 59398 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2850864 is about 1688.4501769374. The cubic root of 2850864 is about 141.7943196957.

The spelling of 2850864 in words is "two million, eight hundred fifty thousand, eight hundred sixty-four".