2000456 has 8 divisors (see below), whose sum is σ = 3750870. Its totient is φ = 1000224.

The previous prime is 2000447. The next prime is 2000497. The reversal of 2000456 is 6540002.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 220900 = 1334^2 + 470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125021 + ... + 125036.

2^2000456 is an apocalyptic number.

It is an amenable number.

2000456 is a deficient number, since it is larger than the sum of its proper divisors (1750414).

2000456 is a wasteful number, since it uses less digits than its factorization.

2000456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250063 (or 250059 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2000456 is about 1414.3747735307. The cubic root of 2000456 is about 126.0016796618.

Adding to 2000456 its reverse (6540002), we get a palindrome (8540458).

The spelling of 2000456 in words is "two million, four hundred fifty-six", and thus it is an aban number.