2570868 has 18 divisors (see below), whose sum is σ = 6498674. Its totient is φ = 856944.

The previous prime is 2570851. The next prime is 2570891. The reversal of 2570868 is 8680752.

2570868 is a `hidden beast` number, since 2 + 570 + 86 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 374544 = 1482^2 + 612^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 71413 = 2570868 / (2 + 5 + 7 + 0 + 8 + 6 + 8).

It is a d-powerful number, because it can be written as 2¹¹ + 5³ + 7⁷ + 0 + 8⁵ + 6⁸ + 8⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35671 + ... + 35742.

2^2570868 is an apocalyptic number.

It is an amenable number.

2570868 is an abundant number, since it is smaller than the sum of its proper divisors (3927806).

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

2570868 is a wasteful number, since it uses less digits than its factorization.

2570868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71423 (or 71418 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2570868 is about 1603.3926530953. The cubic root of 2570868 is about 136.9913859645.

The spelling of 2570868 in words is "two million, five hundred seventy thousand, eight hundred sixty-eight".