344790121 has 4 divisors (see below), whose sum is σ = 371312452. Its totient is φ = 318267792.

The previous prime is 344790109. The next prime is 344790143. The reversal of 344790121 is 121097443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121097443 = 17 ⋅7123379.

It can be written as a sum of positive squares in 2 ways, for example, as 29550096 + 315240025 = 5436^2 + 17755^2 .

It is a cyclic number.

It is not a de Polignac number, because 344790121 - 2⁷ = 344789993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344790101) 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, 13261146 + ... + 13261171.

It is an arithmetic number, because the mean of its divisors is an integer number (92828113).

Almost surely, 2^344790121 is an apocalyptic number.

It is an amenable number.

344790121 is a deficient number, since it is larger than the sum of its proper divisors (26522331).

344790121 is a wasteful number, since it uses less digits than its factorization.

344790121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26522330.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 344790121 is about 18568.5250087345. The cubic root of 344790121 is about 701.2156569915.

The spelling of 344790121 in words is "three hundred forty-four million, seven hundred ninety thousand, one hundred twenty-one".