344021361 has 4 divisors (see below), whose sum is σ = 458695152. Its totient is φ = 229347572.

The previous prime is 344021323. The next prime is 344021387. The reversal of 344021361 is 163120443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344021361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344021311) 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, 57336891 + ... + 57336896.

It is an arithmetic number, because the mean of its divisors is an integer number (114673788).

Almost surely, 2^344021361 is an apocalyptic number.

It is an amenable number.

344021361 is a deficient number, since it is larger than the sum of its proper divisors (114673791).

344021361 is a wasteful number, since it uses less digits than its factorization.

344021361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114673790.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 344021361 is about 18547.8128360192. The cubic root of 344021361 is about 700.6941148946.

The spelling of 344021361 in words is "three hundred forty-four million, twenty-one thousand, three hundred sixty-one".