307868944 has 40 divisors (see below), whose sum is σ = 609871680. Its totient is φ = 150503808.

The previous prime is 307868933. The next prime is 307868947. The reversal of 307868944 is 449868703.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (307868947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371859 + ... + 372685.

It is an arithmetic number, because the mean of its divisors is an integer number (15246792).

Almost surely, 2^307868944 is an apocalyptic number.

It is an amenable number.

307868944 is a deficient number, since it is larger than the sum of its proper divisors (302002736).

307868944 is a wasteful number, since it uses less digits than its factorization.

307868944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 307868944 is about 17546.1945731831. The cubic root of 307868944 is about 675.2355421233.

The spelling of 307868944 in words is "three hundred seven million, eight hundred sixty-eight thousand, nine hundred forty-four".