345696388 has 12 divisors (see below), whose sum is σ = 608040972. Its totient is φ = 171970400.

The previous prime is 345696383. The next prime is 345696409. The reversal of 345696388 is 883696543.

It can be written as a sum of positive squares in 2 ways, for example, as 253382724 + 92313664 = 15918^2 + 9608^2 .

It is not an unprimeable number, because it can be changed into a prime (345696383) 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, 218563 + ... + 220138.

It is an arithmetic number, because the mean of its divisors is an integer number (50670081).

Almost surely, 2^345696388 is an apocalyptic number.

It is an amenable number.

345696388 is a deficient number, since it is larger than the sum of its proper divisors (262344584).

345696388 is a wasteful number, since it uses less digits than its factorization.

345696388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438902 (or 438900 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 345696388 is about 18592.9123054996. The cubic root of 345696388 is about 701.8294918989.

The spelling of 345696388 in words is "three hundred forty-five million, six hundred ninety-six thousand, three hundred eighty-eight".