345399232 has 14 divisors (see below), whose sum is σ = 685401728. Its totient is φ = 172699584.

The previous prime is 345399227. The next prime is 345399239. The reversal of 345399232 is 232993543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345399239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2698368 + ... + 2698495.

Almost surely, 2^345399232 is an apocalyptic number.

345399232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345399232 is a deficient number, since it is larger than the sum of its proper divisors (340002496).

345399232 is an equidigital number, since it uses as much as digits as its factorization.

345399232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396875 (or 5396865 counting only the distinct ones).

The product of its digits is 174960, while the sum is 40.

The square root of 345399232 is about 18584.9194778993. The cubic root of 345399232 is about 701.6283398314.

The spelling of 345399232 in words is "three hundred forty-five million, three hundred ninety-nine thousand, two hundred thirty-two".