307668984 has 64 divisors (see below), whose sum is σ = 882013440. Its totient is φ = 87609600.

The previous prime is 307668971. The next prime is 307668989. The reversal of 307668984 is 489866703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307668989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49659 + ... + 55509.

It is an arithmetic number, because the mean of its divisors is an integer number (13781460).

Almost surely, 2^307668984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307668984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441006720).

307668984 is an abundant number, since it is smaller than the sum of its proper divisors (574344456).

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

307668984 is a wasteful number, since it uses less digits than its factorization.

307668984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180 (or 6176 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 307668984 is about 17540.4955460215. The cubic root of 307668984 is about 675.0893226102.

The spelling of 307668984 in words is "three hundred seven million, six hundred sixty-eight thousand, nine hundred eighty-four".