860379531 has 16 divisors (see below), whose sum is σ = 1252368000. Its totient is φ = 521064320.

The previous prime is 860379529. The next prime is 860379551. The reversal of 860379531 is 135973068.

It is a cyclic number.

It is not a de Polignac number, because 860379531 - 2¹ = 860379529 is a prime.

It is a super-2 number, since 2×860379531² = 1480505874727559922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (860379551) 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, 40771 + ... + 58163.

It is an arithmetic number, because the mean of its divisors is an integer number (78273000).

Almost surely, 2^860379531 is an apocalyptic number.

860379531 is a deficient number, since it is larger than the sum of its proper divisors (391988469).

860379531 is a wasteful number, since it uses less digits than its factorization.

860379531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18906.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 860379531 is about 29332.2268332972. The cubic root of 860379531 is about 951.1084129961.

The spelling of 860379531 in words is "eight hundred sixty million, three hundred seventy-nine thousand, five hundred thirty-one".