2040864 has 48 divisors (see below), whose sum is σ = 6124608. Its totient is φ = 582912.

The previous prime is 2040851. The next prime is 2040917. The reversal of 2040864 is 4680402.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (127596).

2^2040864 is an apocalyptic number.

2040864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2040864 is an abundant number, since it is smaller than the sum of its proper divisors (4083744).

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

2040864 is a wasteful number, since it uses less digits than its factorization.

2040864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2040864 is about 1428.5881141883. The cubic root of 2040864 is about 126.8444165002.

The spelling of 2040864 in words is "two million, forty thousand, eight hundred sixty-four".