344781994 has 16 divisors (see below), whose sum is σ = 525994560. Its totient is φ = 169475040.

The previous prime is 344781979. The next prime is 344782019. The reversal of 344781994 is 499187443.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22614 + ... + 34654.

It is an arithmetic number, because the mean of its divisors is an integer number (32874660).

Almost surely, 2^344781994 is an apocalyptic number.

344781994 is a deficient number, since it is larger than the sum of its proper divisors (181212566).

344781994 is a wasteful number, since it uses less digits than its factorization.

344781994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285.

The product of its digits is 870912, while the sum is 49.

The square root of 344781994 is about 18568.3061693844. The cubic root of 344781994 is about 701.2101475293.

The spelling of 344781994 in words is "three hundred forty-four million, seven hundred eighty-one thousand, nine hundred ninety-four".