344422656 has 54 divisors (see below), whose sum is σ = 993062070. Its totient is φ = 114806784.

The previous prime is 344422651. The next prime is 344422657. The reversal of 344422656 is 656224443.

It can be written as a sum of positive squares in only one way, i.e., 235929600 + 108493056 = 15360^2 + 10416^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 344422656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344422651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72441 + ... + 77048.

Almost surely, 2^344422656 is an apocalyptic number.

344422656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

344422656 is an abundant number, since it is smaller than the sum of its proper divisors (648639414).

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

344422656 is a wasteful number, since it uses less digits than its factorization.

344422656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149511 (or 149494 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 344422656 is about 18558.6275354618. The cubic root of 344422656 is about 700.9664582382.

The spelling of 344422656 in words is "three hundred forty-four million, four hundred twenty-two thousand, six hundred fifty-six".