344970385 has 8 divisors (see below), whose sum is σ = 414158760. Its totient is φ = 275846784.

The previous prime is 344970383. The next prime is 344970539. The reversal of 344970385 is 583079443.

It can be written as a sum of positive squares in 4 ways, for example, as 14930496 + 330039889 = 3864^2 + 18167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 344970385 - 2¹ = 344970383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344970383) 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, 3580 + ... + 26509.

It is an arithmetic number, because the mean of its divisors is an integer number (51769845).

Almost surely, 2^344970385 is an apocalyptic number.

It is an amenable number.

344970385 is a deficient number, since it is larger than the sum of its proper divisors (69188375).

344970385 is a wasteful number, since it uses less digits than its factorization.

344970385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32387.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 344970385 is about 18573.3783948963. The cubic root of 344970385 is about 701.3378394526.

The spelling of 344970385 in words is "three hundred forty-four million, nine hundred seventy thousand, three hundred eighty-five".