345405916 has 12 divisors (see below), whose sum is σ = 605117520. Its totient is φ = 172515200.

The previous prime is 345405913. The next prime is 345405923. The reversal of 345405916 is 619504543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345405913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42760 + ... + 50191.

It is an arithmetic number, because the mean of its divisors is an integer number (50426460).

Almost surely, 2^345405916 is an apocalyptic number.

It is an amenable number.

345405916 is a deficient number, since it is larger than the sum of its proper divisors (259711604).

345405916 is a wasteful number, since it uses less digits than its factorization.

345405916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93884 (or 93882 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 345405916 is about 18585.0993002459. The cubic root of 345405916 is about 701.6328656604.

The spelling of 345405916 in words is "three hundred forty-five million, four hundred five thousand, nine hundred sixteen".