344743421 has 8 divisors (see below), whose sum is σ = 377976000. Its totient is φ = 311826240.

The previous prime is 344743381. The next prime is 344743423. The reversal of 344743421 is 124347443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344743421 - 2¹⁰ = 344742397 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 (344743423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76556 + ... + 80933.

It is an arithmetic number, because the mean of its divisors is an integer number (47247000).

Almost surely, 2^344743421 is an apocalyptic number.

It is an amenable number.

344743421 is a deficient number, since it is larger than the sum of its proper divisors (33232579).

344743421 is a wasteful number, since it uses less digits than its factorization.

344743421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157699.

The product of its digits is 32256, while the sum is 32.

The square root of 344743421 is about 18567.2674618534. The cubic root of 344743421 is about 701.1839969102.

The spelling of 344743421 in words is "three hundred forty-four million, seven hundred forty-three thousand, four hundred twenty-one".