2920864 has 24 divisors (see below), whose sum is σ = 5815908. Its totient is φ = 1443840.

The previous prime is 2920837. The next prime is 2920871. The reversal of 2920864 is 4680292.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 3600 = 1708^2 + 60^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634 + ... + 3574.

2^2920864 is an apocalyptic number.

It is an amenable number.

2920864 is a deficient number, since it is larger than the sum of its proper divisors (2895044).

2920864 is an equidigital number, since it uses as much as digits as its factorization.

2920864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2920864 is about 1709.0535392433. The cubic root of 2920864 is about 142.9454859287.

The spelling of 2920864 in words is "two million, nine hundred twenty thousand, eight hundred sixty-four".