860631436 has 12 divisors (see below), whose sum is σ = 1721262928. Its totient is φ = 368842032.

The previous prime is 860631379. The next prime is 860631449. The reversal of 860631436 is 634136068.

860631436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 860631395 and 860631404.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15368391 + ... + 15368446.

Almost surely, 2^860631436 is an apocalyptic number.

It is an amenable number.

860631436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

860631436 is a wasteful number, since it uses less digits than its factorization.

860631436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30736848 (or 30736846 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 860631436 is about 29336.5205162439. The cubic root of 860631436 is about 951.2012269142.

The spelling of 860631436 in words is "eight hundred sixty million, six hundred thirty-one thousand, four hundred thirty-six".