2564466 has 16 divisors (see below), whose sum is σ = 5150784. Its totient is φ = 851184.

The previous prime is 2564459. The next prime is 2564489. The reversal of 2564466 is 6644652.

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, 891 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (321924).

2^2564466 is an apocalyptic number.

2564466 is an abundant number, since it is smaller than the sum of its proper divisors (2586318).

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

2564466 is a wasteful number, since it uses less digits than its factorization.

2564466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 34560, while the sum is 33.

The square root of 2564466 is about 1601.3950168525. The cubic root of 2564466 is about 136.8775790261.

The spelling of 2564466 in words is "two million, five hundred sixty-four thousand, four hundred sixty-six".