344630438 has 8 divisors (see below), whose sum is σ = 517026432. Its totient is φ = 172288296.

The previous prime is 344630437. The next prime is 344630449. The reversal of 344630438 is 834036443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 344630398 and 344630407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344630437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12731 + ... + 29177.

It is an arithmetic number, because the mean of its divisors is an integer number (64628304).

Almost surely, 2^344630438 is an apocalyptic number.

344630438 is a deficient number, since it is larger than the sum of its proper divisors (172395994).

344630438 is a wasteful number, since it uses less digits than its factorization.

344630438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26926.

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 344630438 is about 18564.2246808209. The cubic root of 344630438 is about 701.1073887017.

The spelling of 344630438 in words is "three hundred forty-four million, six hundred thirty thousand, four hundred thirty-eight".