345684357 has 12 divisors (see below), whose sum is σ = 499861440. Its totient is φ = 230207208.

The previous prime is 345684349. The next prime is 345684359. The reversal of 345684357 is 753486543.

345684357 is a `hidden beast` number, since 34 + 568 + 4 + 3 + 57 = 666.

It is not a de Polignac number, because 345684357 - 2³ = 345684349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345684359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11757 + ... + 28802.

It is an arithmetic number, because the mean of its divisors is an integer number (41655120).

Almost surely, 2^345684357 is an apocalyptic number.

It is an amenable number.

345684357 is a deficient number, since it is larger than the sum of its proper divisors (154177083).

345684357 is a wasteful number, since it uses less digits than its factorization.

345684357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41512 (or 41509 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 345684357 is about 18592.5887654194. The cubic root of 345684357 is about 701.8213500641.

The spelling of 345684357 in words is "three hundred forty-five million, six hundred eighty-four thousand, three hundred fifty-seven".