345287392 has 12 divisors (see below), whose sum is σ = 679784616. Its totient is φ = 172643680.

The previous prime is 345287353. The next prime is 345287407. The reversal of 345287392 is 293782543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5395084 + ... + 5395147.

It is an arithmetic number, because the mean of its divisors is an integer number (56648718).

Almost surely, 2^345287392 is an apocalyptic number.

345287392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345287392 is a deficient number, since it is larger than the sum of its proper divisors (334497224).

345287392 is a wasteful number, since it uses less digits than its factorization.

345287392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790241 (or 10790233 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 345287392 is about 18581.9103431267. The cubic root of 345287392 is about 701.5526027545.

The spelling of 345287392 in words is "three hundred forty-five million, two hundred eighty-seven thousand, three hundred ninety-two".