2560494 has 16 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 850872.

The previous prime is 2560487. The next prime is 2560499. The reversal of 2560494 is 4940652.

It is a super-2 number, since 2×2560494² = 13112259048072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159 + ... + 3885.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

2^2560494 is an apocalyptic number.

2560494 is an abundant number, since it is smaller than the sum of its proper divisors (2576274).

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

2560494 is a wasteful number, since it uses less digits than its factorization.

2560494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2560494 is about 1600.1543675533. The cubic root of 2560494 is about 136.8068744194.

The spelling of 2560494 in words is "two million, five hundred sixty thousand, four hundred ninety-four".