7690857 has 16 divisors (see below), whose sum is σ = 10615680. Its totient is φ = 4948992.

The previous prime is 7690849. The next prime is 7690861. The reversal of 7690857 is 7580967.

It is not a de Polignac number, because 7690857 - 2³ = 7690849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7690807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21244 + ... + 21602.

It is an arithmetic number, because the mean of its divisors is an integer number (663480).

Almost surely, 2^7690857 is an apocalyptic number.

It is an amenable number.

7690857 is a deficient number, since it is larger than the sum of its proper divisors (2924823).

7690857 is a wasteful number, since it uses less digits than its factorization.

7690857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 7690857 is about 2773.2394415196. The cubic root of 7690857 is about 197.3898932279.

The spelling of 7690857 in words is "seven million, six hundred ninety thousand, eight hundred fifty-seven".