344478856 has 16 divisors (see below), whose sum is σ = 648746640. Its totient is φ = 171479760.

The previous prime is 344478829. The next prime is 344478857. The reversal of 344478856 is 658874443.

It is not an unprimeable number, because it can be changed into a prime (344478857) 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, 93030 + ... + 96661.

It is an arithmetic number, because the mean of its divisors is an integer number (40546665).

Almost surely, 2^344478856 is an apocalyptic number.

It is an amenable number.

344478856 is a deficient number, since it is larger than the sum of its proper divisors (304267784).

344478856 is a wasteful number, since it uses less digits than its factorization.

344478856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189924 (or 189920 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 344478856 is about 18560.1415942875. The cubic root of 344478856 is about 701.0045821070.

The spelling of 344478856 in words is "three hundred forty-four million, four hundred seventy-eight thousand, eight hundred fifty-six".