2566998 has 32 divisors (see below), whose sum is σ = 6520320. Its totient is φ = 733320.

The previous prime is 2566997. The next prime is 2567009. The reversal of 2566998 is 8996652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (203760).

2^2566998 is an apocalyptic number.

2566998 is an abundant number, since it is smaller than the sum of its proper divisors (3953322).

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

2566998 is a wasteful number, since it uses less digits than its factorization.

2566998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809 (or 6803 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2566998 is about 1602.1853825322. The cubic root of 2566998 is about 136.9226124470.

The spelling of 2566998 in words is "two million, five hundred sixty-six thousand, nine hundred ninety-eight".