344521401 has 24 divisors (see below), whose sum is σ = 547402464. Its totient is φ = 192064320.

The previous prime is 344521391. The next prime is 344521417. The reversal of 344521401 is 104125443.

It is not a de Polignac number, because 344521401 - 2⁷ = 344521273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (344521451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22555 + ... + 34608.

It is an arithmetic number, because the mean of its divisors is an integer number (22808436).

Almost surely, 2^344521401 is an apocalyptic number.

It is an amenable number.

344521401 is a deficient number, since it is larger than the sum of its proper divisors (202881063).

344521401 is a wasteful number, since it uses less digits than its factorization.

344521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57221 (or 57214 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 344521401 is about 18561.2876977865. The cubic root of 344521401 is about 701.0334402035.

Adding to 344521401 its reverse (104125443), we get a palindrome (448646844).

It can be divided in two parts, 34452 and 1401, that added together give a palindrome (35853).

The spelling of 344521401 in words is "three hundred forty-four million, five hundred twenty-one thousand, four hundred one".