860996631 has 32 divisors (see below), whose sum is σ = 1298718720. Its totient is φ = 502588800.

The previous prime is 860996629. The next prime is 860996659. The reversal of 860996631 is 136699068.

It is not a de Polignac number, because 860996631 - 2¹ = 860996629 is a prime.

It is a super-2 number, since 2×860996631² = 1482630397186700322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860996131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516906 + ... + 518568.

It is an arithmetic number, because the mean of its divisors is an integer number (40584960).

Almost surely, 2^860996631 is an apocalyptic number.

860996631 is a deficient number, since it is larger than the sum of its proper divisors (437722089).

860996631 is a wasteful number, since it uses less digits than its factorization.

860996631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 860996631 is about 29342.7440945798. The cubic root of 860996631 is about 951.3357501627.

The spelling of 860996631 in words is "eight hundred sixty million, nine hundred ninety-six thousand, six hundred thirty-one".