686363432 has 16 divisors (see below), whose sum is σ = 1287788640. Its totient is φ = 342953136.

The previous prime is 686363417. The next prime is 686363441. The reversal of 686363432 is 234363686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 686363432.

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, 15458 + ... + 40145.

It is an arithmetic number, because the mean of its divisors is an integer number (80486790).

Almost surely, 2^686363432 is an apocalyptic number.

It is an amenable number.

686363432 is a deficient number, since it is larger than the sum of its proper divisors (601425208).

686363432 is a wasteful number, since it uses less digits than its factorization.

686363432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57152 (or 57148 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The square root of 686363432 is about 26198.5387378762. The cubic root of 686363432 is about 882.1004542423.

The spelling of 686363432 in words is "six hundred eighty-six million, three hundred sixty-three thousand, four hundred thirty-two".