345299616 has 72 divisors (see below), whose sum is σ = 1033643520. Its totient is φ = 109040256.

The previous prime is 345299567. The next prime is 345299623. The reversal of 345299616 is 616992543.

345299616 is a `hidden beast` number, since 3 + 4 + 5 + 29 + 9 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26080 + ... + 37023.

It is an arithmetic number, because the mean of its divisors is an integer number (14356160).

Almost surely, 2^345299616 is an apocalyptic number.

345299616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

345299616 is an abundant number, since it is smaller than the sum of its proper divisors (688343904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345299616 is a wasteful number, since it uses less digits than its factorization.

345299616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63138 (or 63127 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 345299616 is about 18582.2392622633. The cubic root of 345299616 is about 701.5608815372.

The spelling of 345299616 in words is "three hundred forty-five million, two hundred ninety-nine thousand, six hundred sixteen".