344709842 has 8 divisors (see below), whose sum is σ = 517486476. Its totient is φ = 172214352.

The previous prime is 344709839. The next prime is 344709847. The reversal of 344709842 is 248907443.

It can be written as a sum of positive squares in 2 ways, for example, as 341473441 + 3236401 = 18479^2 + 1799^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 344709842.

It is not an unprimeable number, because it can be changed into a prime (344709847) 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, 67193 + ... + 72140.

Almost surely, 2^344709842 is an apocalyptic number.

344709842 is a deficient number, since it is larger than the sum of its proper divisors (172776634).

344709842 is a wasteful number, since it uses less digits than its factorization.

344709842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140572.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 344709842 is about 18566.3631872265. The cubic root of 344709842 is about 701.1612303922.

The spelling of 344709842 in words is "three hundred forty-four million, seven hundred nine thousand, eight hundred forty-two".