685160038 has 8 divisors (see below), whose sum is σ = 1045159560. Its totient is φ = 336773520.

The previous prime is 685160029. The next prime is 685160039. The reversal of 685160038 is 830061586.

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

It is a super-3 number, since 3×685160038³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 685159979 and 685160006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685160039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903103 + ... + 2903338.

It is an arithmetic number, because the mean of its divisors is an integer number (130644945).

Almost surely, 2^685160038 is an apocalyptic number.

685160038 is a deficient number, since it is larger than the sum of its proper divisors (359999522).

685160038 is a wasteful number, since it uses less digits than its factorization.

685160038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806502.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 685160038 is about 26175.5618468831. The cubic root of 685160038 is about 881.5846267520.

The spelling of 685160038 in words is "six hundred eighty-five million, one hundred sixty thousand, thirty-eight".