2557708 has 12 divisors (see below), whose sum is σ = 4487560. Its totient is φ = 1275552.

The previous prime is 2557697. The next prime is 2557729. The reversal of 2557708 is 8077552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960 + ... + 2992.

2^2557708 is an apocalyptic number.

It is an amenable number.

2557708 is a deficient number, since it is larger than the sum of its proper divisors (1929852).

2557708 is a wasteful number, since it uses less digits than its factorization.

2557708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2557708 is about 1599.2835896113. The cubic root of 2557708 is about 136.7572378684.

The spelling of 2557708 in words is "two million, five hundred fifty-seven thousand, seven hundred eight".