6890157 has 8 divisors (see below), whose sum is σ = 10207680. Its totient is φ = 4593420.

The previous prime is 6890123. The next prime is 6890161. The reversal of 6890157 is 7510986.

It is not a de Polignac number, because 6890157 - 2⁸ = 6889901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127569 + ... + 127622.

It is an arithmetic number, because the mean of its divisors is an integer number (1275960).

Almost surely, 2^6890157 is an apocalyptic number.

It is an amenable number.

6890157 is a deficient number, since it is larger than the sum of its proper divisors (3317523).

6890157 is a wasteful number, since it uses less digits than its factorization.

6890157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255200 (or 255194 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 6890157 is about 2624.9108556292. The cubic root of 6890157 is about 190.2872570805.

The spelling of 6890157 in words is "six million, eight hundred ninety thousand, one hundred fifty-seven".