686082332 has 24 divisors (see below), whose sum is σ = 1296128400. Its totient is φ = 315887616.

The previous prime is 686082323. The next prime is 686082337. The reversal of 686082332 is 233280686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686082337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6044 + ... + 37532.

It is an arithmetic number, because the mean of its divisors is an integer number (54005350).

Almost surely, 2^686082332 is an apocalyptic number.

It is an amenable number.

686082332 is a deficient number, since it is larger than the sum of its proper divisors (610046068).

686082332 is a wasteful number, since it uses less digits than its factorization.

686082332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31925 (or 31923 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 686082332 is about 26193.1733854453. The cubic root of 686082332 is about 881.9800164469.

The spelling of 686082332 in words is "six hundred eighty-six million, eighty-two thousand, three hundred thirty-two".