344941993 has 4 divisors (see below), whose sum is σ = 376300368. Its totient is φ = 313583620.

The previous prime is 344941973. The next prime is 344941997. The reversal of 344941993 is 399149443.

It is a happy number.

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 344941993 - 2⁹ = 344941481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344941997) 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, 15679171 + ... + 15679192.

It is an arithmetic number, because the mean of its divisors is an integer number (94075092).

Almost surely, 2^344941993 is an apocalyptic number.

It is an amenable number.

344941993 is a deficient number, since it is larger than the sum of its proper divisors (31358375).

344941993 is a wasteful number, since it uses less digits than its factorization.

344941993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31358374.

The product of its digits is 419904, while the sum is 46.

The square root of 344941993 is about 18572.6140594155. The cubic root of 344941993 is about 701.3185982548.

The spelling of 344941993 in words is "three hundred forty-four million, nine hundred forty-one thousand, nine hundred ninety-three".