2564046 has 24 divisors (see below), whose sum is σ = 5593224. Its totient is φ = 848880.

The previous prime is 2564039. The next prime is 2564053. The reversal of 2564046 is 6404652.

It is a happy number.

2564046 is a `hidden beast` number, since 256 + 404 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2564039) and next prime (2564053).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2865 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (233051).

2^2564046 is an apocalyptic number.

2564046 is an abundant number, since it is smaller than the sum of its proper divisors (3029178).

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

2564046 is a wasteful number, since it uses less digits than its factorization.

2564046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2564046 is about 1601.2638758181. The cubic root of 2564046 is about 136.8701061614.

Adding to 2564046 its reverse (6404652), we get a palindrome (8968698).

Subtracting 2564046 from its reverse (6404652), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2564046 in words is "two million, five hundred sixty-four thousand, forty-six".