345885604 has 27 divisors (see below), whose sum is σ = 644177793. Its totient is φ = 162472128.

The previous prime is 345885599. The next prime is 345885613. The reversal of 345885604 is 406588543.

The square root of 345885604 is 18598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 269288100 + 76597504 = 16410^2 + 8752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 632059 + ... + 632605.

Almost surely, 2^345885604 is an apocalyptic number.

345885604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

345885604 is the 18598-th square number.

It is an amenable number.

345885604 is a deficient number, since it is larger than the sum of its proper divisors (298292189).

345885604 is an equidigital number, since it uses as much as digits as its factorization.

345885604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The cubic root of 345885604 is about 701.9575167133.

The spelling of 345885604 in words is "three hundred forty-five million, eight hundred eighty-five thousand, six hundred four".