685596430 has 8 divisors (see below), whose sum is σ = 1234073592. Its totient is φ = 274238568.

The previous prime is 685596407. The next prime is 685596433. The reversal of 685596430 is 34695586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685596433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34279812 + ... + 34279831.

It is an arithmetic number, because the mean of its divisors is an integer number (154259199).

Almost surely, 2^685596430 is an apocalyptic number.

685596430 is a deficient number, since it is larger than the sum of its proper divisors (548477162).

685596430 is a wasteful number, since it uses less digits than its factorization.

685596430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68559650.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 685596430 is about 26183.8963869016. The cubic root of 685596430 is about 881.7717532665.

It can be divided in two parts, 6855 and 96430, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 685596430 in words is "six hundred eighty-five million, five hundred ninety-six thousand, four hundred thirty".