2557396 has 12 divisors (see below), whose sum is σ = 4529952. Its totient is φ = 1263128.

The previous prime is 2557369. The next prime is 2557397. The reversal of 2557396 is 6937552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (377496).

2^2557396 is an apocalyptic number.

It is an amenable number.

2557396 is a deficient number, since it is larger than the sum of its proper divisors (1972556).

2557396 is a wasteful number, since it uses less digits than its factorization.

2557396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790 (or 7788 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 2557396 is about 1599.1860429606. The cubic root of 2557396 is about 136.7516769009.

The spelling of 2557396 in words is "two million, five hundred fifty-seven thousand, three hundred ninety-six".