344676816 has 80 divisors (see below), whose sum is σ = 1079305920. Its totient is φ = 104446080.

The previous prime is 344676799. The next prime is 344676823. The reversal of 344676816 is 618676443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31515 + ... + 41018.

It is an arithmetic number, because the mean of its divisors is an integer number (13491324).

Almost surely, 2^344676816 is an apocalyptic number.

344676816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

344676816 is an abundant number, since it is smaller than the sum of its proper divisors (734629104).

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

344676816 is a wasteful number, since it uses less digits than its factorization.

344676816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72561 (or 72549 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 344676816 is about 18565.4737617977. The cubic root of 344676816 is about 701.1388373652.

The spelling of 344676816 in words is "three hundred forty-four million, six hundred seventy-six thousand, eight hundred sixteen".