315378 has 24 divisors (see below), whose sum is σ = 781248. Its totient is φ = 90072.

The previous prime is 315377. The next prime is 315389. The reversal of 315378 is 873513.

It is not an unprimeable number, because it can be changed into a prime (315373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (32552).

2³¹⁵³⁷⁸ is an apocalyptic number.

315378 is an abundant number, since it is smaller than the sum of its proper divisors (465870).

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

315378 is a wasteful number, since it uses less digits than its factorization.

315378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2515 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 315378 is about 561.5852562167. The cubic root of 315378 is about 68.0681266487.

The spelling of 315378 in words is "three hundred fifteen thousand, three hundred seventy-eight".