344494421 has 4 divisors (see below), whose sum is σ = 345294144. Its totient is φ = 343694700.

The previous prime is 344494417. The next prime is 344494427. The reversal of 344494421 is 124494443.

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 not a de Polignac number, because 344494421 - 2² = 344494417 is a prime.

It is a super-2 number, since 2×344494421² = 237352812200250482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344494427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399215 + ... + 400076.

It is an arithmetic number, because the mean of its divisors is an integer number (86323536).

Almost surely, 2^344494421 is an apocalyptic number.

It is an amenable number.

344494421 is a deficient number, since it is larger than the sum of its proper divisors (799723).

344494421 is an equidigital number, since it uses as much as digits as its factorization.

344494421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799722.

The product of its digits is 55296, while the sum is 35.

The square root of 344494421 is about 18560.5609020848. The cubic root of 344494421 is about 701.0151400573.

The spelling of 344494421 in words is "three hundred forty-four million, four hundred ninety-four thousand, four hundred twenty-one".