318394380 has 48 divisors (see below), whose sum is σ = 906129504. Its totient is φ = 83512320.

The previous prime is 318394379. The next prime is 318394387. The reversal of 318394380 is 83493813.

318394380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (318394387) 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, 39837 + ... + 47156.

It is an arithmetic number, because the mean of its divisors is an integer number (18877698).

Almost surely, 2^318394380 is an apocalyptic number.

318394380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

318394380 is an abundant number, since it is smaller than the sum of its proper divisors (587735124).

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

318394380 is a wasteful number, since it uses less digits than its factorization.

318394380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87066 (or 87064 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 318394380 is about 17843.6089398978. The cubic root of 318394380 is about 682.8444718171.

The spelling of 318394380 in words is "three hundred eighteen million, three hundred ninety-four thousand, three hundred eighty".