344279916 has 48 divisors (see below), whose sum is σ = 931392000. Its totient is φ = 109769616.

The previous prime is 344279863. The next prime is 344279959. The reversal of 344279916 is 619972443.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 66816 + ... + 71783.

It is an arithmetic number, because the mean of its divisors is an integer number (19404000).

Almost surely, 2^344279916 is an apocalyptic number.

344279916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

344279916 is an abundant number, since it is smaller than the sum of its proper divisors (587112084).

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

344279916 is a wasteful number, since it uses less digits than its factorization.

344279916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138635 (or 138627 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 344279916 is about 18554.7814861830. The cubic root of 344279916 is about 700.8696103916.

The spelling of 344279916 in words is "three hundred forty-four million, two hundred seventy-nine thousand, nine hundred sixteen".