344398938 has 16 divisors (see below), whose sum is σ = 741782496. Its totient is φ = 105968880.

The previous prime is 344398927. The next prime is 344398949. The reversal of 344398938 is 839893443.

It is an interprime number because it is at equal distance from previous prime (344398927) and next prime (344398949).

It is a super-2 number, since 2×344398938² = 237221256991055688, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2207608 + ... + 2207763.

It is an arithmetic number, because the mean of its divisors is an integer number (46361406).

Almost surely, 2^344398938 is an apocalyptic number.

344398938 is an abundant number, since it is smaller than the sum of its proper divisors (397383558).

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

344398938 is a wasteful number, since it uses less digits than its factorization.

344398938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415389.

The product of its digits is 2239488, while the sum is 51.

The square root of 344398938 is about 18557.9885224665. The cubic root of 344398938 is about 700.9503676357.

The spelling of 344398938 in words is "three hundred forty-four million, three hundred ninety-eight thousand, nine hundred thirty-eight".