306395244 has 24 divisors (see below), whose sum is σ = 794358320. Its totient is φ = 102131712.

The previous prime is 306395203. The next prime is 306395269. The reversal of 306395244 is 442593603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 306395199 and 306395208.

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, 1418389 + ... + 1418604.

Almost surely, 2^306395244 is an apocalyptic number.

It is an amenable number.

306395244 is an abundant number, since it is smaller than the sum of its proper divisors (487963076).

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

306395244 is a wasteful number, since it uses less digits than its factorization.

306395244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837006 (or 2836998 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 306395244 is about 17504.1493366573. The cubic root of 306395244 is about 674.1564177760.

The spelling of 306395244 in words is "three hundred six million, three hundred ninety-five thousand, two hundred forty-four".