344420392 has 16 divisors (see below), whose sum is σ = 645988500. Its totient is φ = 172156800.

The previous prime is 344420389. The next prime is 344420431. The reversal of 344420392 is 293024443.

It can be written as a sum of positive squares in 2 ways, for example, as 338339236 + 6081156 = 18394^2 + 2466^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39642 + ... + 47542.

Almost surely, 2^344420392 is an apocalyptic number.

It is an amenable number.

344420392 is a deficient number, since it is larger than the sum of its proper divisors (301568108).

344420392 is a wasteful number, since it uses less digits than its factorization.

344420392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356 (or 13352 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 344420392 is about 18558.5665394717. The cubic root of 344420392 is about 700.9649223427.

The spelling of 344420392 in words is "three hundred forty-four million, four hundred twenty thousand, three hundred ninety-two".