344874319 has 4 divisors (see below), whose sum is σ = 352894696. Its totient is φ = 336853944.

The previous prime is 344874317. The next prime is 344874353. The reversal of 344874319 is 913478443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344874319 - 2¹ = 344874317 is a prime.

It is a super-2 number, since 2×344874319² = 237876591811427522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 8020333 = 344874319 / (3 + 4 + 4 + 8 + 7 + 4 + 3 + 1 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344874311) 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, 4010124 + ... + 4010209.

It is an arithmetic number, because the mean of its divisors is an integer number (88223674).

Almost surely, 2^344874319 is an apocalyptic number.

344874319 is a deficient number, since it is larger than the sum of its proper divisors (8020377).

344874319 is an equidigital number, since it uses as much as digits as its factorization.

344874319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020376.

The product of its digits is 290304, while the sum is 43.

The square root of 344874319 is about 18570.7920940384. The cubic root of 344874319 is about 701.2727314715.

The spelling of 344874319 in words is "three hundred forty-four million, eight hundred seventy-four thousand, three hundred nineteen".