305744349 has 4 divisors (see below), whose sum is σ = 407659136. Its totient is φ = 203829564.

The previous prime is 305744321. The next prime is 305744363. The reversal of 305744349 is 943447503.

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 not a de Polignac number, because 305744349 - 2⁵ = 305744317 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 (305744399) 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, 50957389 + ... + 50957394.

It is an arithmetic number, because the mean of its divisors is an integer number (101914784).

Almost surely, 2^305744349 is an apocalyptic number.

It is an amenable number.

305744349 is a deficient number, since it is larger than the sum of its proper divisors (101914787).

305744349 is a wasteful number, since it uses less digits than its factorization.

305744349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101914786.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 305744349 is about 17485.5468601928. The cubic root of 305744349 is about 673.6786948081.

The spelling of 305744349 in words is "three hundred five million, seven hundred forty-four thousand, three hundred forty-nine".