344100421 has 4 divisors (see below), whose sum is σ = 393257632. Its totient is φ = 294943212.

The previous prime is 344100391. The next prime is 344100437. The reversal of 344100421 is 124001443.

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 344100421 - 2¹¹ = 344098373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344101421) 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, 24578595 + ... + 24578608.

It is an arithmetic number, because the mean of its divisors is an integer number (98314408).

Almost surely, 2^344100421 is an apocalyptic number.

It is an amenable number.

344100421 is a deficient number, since it is larger than the sum of its proper divisors (49157211).

344100421 is an equidigital number, since it uses as much as digits as its factorization.

344100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49157210.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 344100421 is about 18549.9439621795. The cubic root of 344100421 is about 700.7477865944.

Adding to 344100421 its reverse (124001443), we get a palindrome (468101864).

It can be divided in two parts, 3441004 and 21, that added together give a square (3441025 = 1855²).

The spelling of 344100421 in words is "three hundred forty-four million, one hundred thousand, four hundred twenty-one".