307998906384 has 160 divisors (see below), whose sum is σ = 863308633600. Its totient is φ = 94618368000.

The previous prime is 307998906337. The next prime is 307998906389. The reversal of 307998906384 is 483609899703.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (307998906389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79195512 + ... + 79199400.

It is an arithmetic number, because the mean of its divisors is an integer number (5395678960).

Almost surely, 2^307998906384 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 307998906384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431654316800).

307998906384 is an abundant number, since it is smaller than the sum of its proper divisors (555309727216).

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

307998906384 is a wasteful number, since it uses less digits than its factorization.

307998906384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4658 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 307998906384 in words is "three hundred seven billion, nine hundred ninety-eight million, nine hundred six thousand, three hundred eighty-four".