686033632 has 24 divisors (see below), whose sum is σ = 1356699456. Its totient is φ = 341475072.

The previous prime is 686033629. The next prime is 686033639. The reversal of 686033632 is 236330686.

It is a happy number.

It is a super-2 number, since 2×686033632² = 941284288470222848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 686033591 and 686033600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686033639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40933 + ... + 55204.

It is an arithmetic number, because the mean of its divisors is an integer number (56529144).

Almost surely, 2^686033632 is an apocalyptic number.

It is an amenable number.

686033632 is a deficient number, since it is larger than the sum of its proper divisors (670665824).

686033632 is a wasteful number, since it uses less digits than its factorization.

686033632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96370 (or 96362 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 686033632 is about 26192.2437374120. The cubic root of 686033632 is about 881.9591475020.

The spelling of 686033632 in words is "six hundred eighty-six million, thirty-three thousand, six hundred thirty-two".