306749344 has 48 divisors (see below), whose sum is σ = 687476160. Its totient is φ = 133365760.

The previous prime is 306749329. The next prime is 306749381. The reversal of 306749344 is 443947603.

It is a junction number, because it is equal to n+sod(n) for n = 306749297 and 306749306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10849 + ... + 27040.

It is an arithmetic number, because the mean of its divisors is an integer number (14322420).

Almost surely, 2^306749344 is an apocalyptic number.

It is an amenable number.

306749344 is an abundant number, since it is smaller than the sum of its proper divisors (380726816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306749344 is a wasteful number, since it uses less digits than its factorization.

306749344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37933 (or 37925 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 306749344 is about 17514.2611605514. The cubic root of 306749344 is about 674.4160245955.

The spelling of 306749344 in words is "three hundred six million, seven hundred forty-nine thousand, three hundred forty-four".