344432642 has 8 divisors (see below), whose sum is σ = 518210832. Its totient is φ = 171695700.

The previous prime is 344432639. The next prime is 344432663. The reversal of 344432642 is 246234443.

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 = 344432599 and 344432608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259484 + ... + 260807.

It is an arithmetic number, because the mean of its divisors is an integer number (64776354).

Almost surely, 2^344432642 is an apocalyptic number.

344432642 is a deficient number, since it is larger than the sum of its proper divisors (173778190).

344432642 is a wasteful number, since it uses less digits than its factorization.

344432642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520624.

The product of its digits is 55296, while the sum is 32.

The square root of 344432642 is about 18558.8965728030. The cubic root of 344432642 is about 700.9732326506.

The spelling of 344432642 in words is "three hundred forty-four million, four hundred thirty-two thousand, six hundred forty-two".