344432643 has 8 divisors (see below), whose sum is σ = 461303808. Its totient is φ = 228591624.

The previous prime is 344432639. The next prime is 344432663. The reversal of 344432643 is 346234443.

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

It is not a de Polignac number, because 344432643 - 2² = 344432639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344432663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256755 + ... + 258092.

It is an arithmetic number, because the mean of its divisors is an integer number (57662976).

Almost surely, 2^344432643 is an apocalyptic number.

344432643 is a deficient number, since it is larger than the sum of its proper divisors (116871165).

344432643 is a wasteful number, since it uses less digits than its factorization.

344432643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515073.

The product of its digits is 82944, while the sum is 33.

The square root of 344432643 is about 18558.8965997443. The cubic root of 344432643 is about 700.9732333290.

The spelling of 344432643 in words is "three hundred forty-four million, four hundred thirty-two thousand, six hundred forty-three".