686372152 has 16 divisors (see below), whose sum is σ = 1302454440. Its totient is φ = 339050976.

The previous prime is 686372119. The next prime is 686372201. The reversal of 686372152 is 251273686.

It is a super-2 number, since 2×686372152² = 942213462082222208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516183 + ... + 517510.

Almost surely, 2^686372152 is an apocalyptic number.

It is an amenable number.

686372152 is a deficient number, since it is larger than the sum of its proper divisors (616082288).

686372152 is a wasteful number, since it uses less digits than its factorization.

686372152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033782 (or 1033778 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 686372152 is about 26198.7051588433. The cubic root of 686372152 is about 882.1041898160.

The spelling of 686372152 in words is "six hundred eighty-six million, three hundred seventy-two thousand, one hundred fifty-two".