307830960 has 120 divisors (see below), whose sum is σ = 1038869520. Its totient is φ = 81686016.

The previous prime is 307830953. The next prime is 307830967. The reversal of 307830960 is 69038703.

It is an interprime number because it is at equal distance from previous prime (307830953) and next prime (307830967).

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (307830967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163947 + ... + 165813.

It is an arithmetic number, because the mean of its divisors is an integer number (8657246).

Almost surely, 2^307830960 is an apocalyptic number.

307830960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307830960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519434760).

307830960 is an abundant number, since it is smaller than the sum of its proper divisors (731038560).

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

307830960 is a wasteful number, since it uses less digits than its factorization.

307830960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 307830960 is about 17545.1121398525. The cubic root of 307830960 is about 675.2077714304.

The spelling of 307830960 in words is "three hundred seven million, eight hundred thirty thousand, nine hundred sixty".