307157396 has 48 divisors (see below), whose sum is σ = 663151104. Its totient is φ = 121222656.

The previous prime is 307157369. The next prime is 307157407. The reversal of 307157396 is 693751703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215141 + ... + 216563.

It is an arithmetic number, because the mean of its divisors is an integer number (13815648).

Almost surely, 2^307157396 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 307157396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331575552).

307157396 is an abundant number, since it is smaller than the sum of its proper divisors (355993708).

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

307157396 is a wasteful number, since it uses less digits than its factorization.

307157396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 307157396 is about 17525.9064244906. The cubic root of 307157396 is about 674.7149384336.

The spelling of 307157396 in words is "three hundred seven million, one hundred fifty-seven thousand, three hundred ninety-six".