345599406 has 32 divisors (see below), whose sum is σ = 768798720. Its totient is φ = 115079832.

The previous prime is 345599399. The next prime is 345599431. The reversal of 345599406 is 604995543.

345599406 is a `hidden beast` number, since 3 + 4 + 559 + 94 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60051 + ... + 65553.

It is an arithmetic number, because the mean of its divisors is an integer number (24024960).

Almost surely, 2^345599406 is an apocalyptic number.

345599406 is an abundant number, since it is smaller than the sum of its proper divisors (423199314).

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

345599406 is a wasteful number, since it uses less digits than its factorization.

345599406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6671 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 345599406 is about 18590.3040857324. The cubic root of 345599406 is about 701.7638551184.

The spelling of 345599406 in words is "three hundred forty-five million, five hundred ninety-nine thousand, four hundred six".