344938386 has 16 divisors (see below), whose sum is σ = 742944384. Its totient is φ = 106134864.

The previous prime is 344938339. The next prime is 344938387. The reversal of 344938386 is 683839443.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (344938387) 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, 2211066 + ... + 2211221.

It is an arithmetic number, because the mean of its divisors is an integer number (46434024).

Almost surely, 2^344938386 is an apocalyptic number.

344938386 is an abundant number, since it is smaller than the sum of its proper divisors (398005998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344938386 is a wasteful number, since it uses less digits than its factorization.

344938386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422305.

The product of its digits is 1492992, while the sum is 48.

The square root of 344938386 is about 18572.5169538218. The cubic root of 344938386 is about 701.3161537230.

The spelling of 344938386 in words is "three hundred forty-four million, nine hundred thirty-eight thousand, three hundred eighty-six".