7000857 has 16 divisors (see below), whose sum is σ = 10414080. Its totient is φ = 4648176.

The previous prime is 7000849. The next prime is 7000913. The reversal of 7000857 is 7580007.

It is not a de Polignac number, because 7000857 - 2³ = 7000849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 7000857.

It is not an unprimeable number, because it can be changed into a prime (7000057) 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, 10003 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (650880).

Almost surely, 2^7000857 is an apocalyptic number.

It is an amenable number.

7000857 is a deficient number, since it is larger than the sum of its proper divisors (3413223).

7000857 is a wasteful number, since it uses less digits than its factorization.

7000857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 7000857 is about 2645.9132638845. The cubic root of 7000857 is about 191.3009245397.

The spelling of 7000857 in words is "seven million, eight hundred fifty-seven", and thus it is an aban number.