344931838 has 4 divisors (see below), whose sum is σ = 517397760. Its totient is φ = 172465918.

The previous prime is 344931817. The next prime is 344931841. The reversal of 344931838 is 838139443.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 344931794 and 344931803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86232958 + ... + 86232961.

It is an arithmetic number, because the mean of its divisors is an integer number (129349440).

Almost surely, 2^344931838 is an apocalyptic number.

344931838 is a deficient number, since it is larger than the sum of its proper divisors (172465922).

344931838 is a wasteful number, since it uses less digits than its factorization.

344931838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172465921.

The product of its digits is 248832, while the sum is 43.

The square root of 344931838 is about 18572.3406710086. The cubic root of 344931838 is about 701.3117159766.

The spelling of 344931838 in words is "three hundred forty-four million, nine hundred thirty-one thousand, eight hundred thirty-eight".