315630546 has 128 divisors (see below), whose sum is σ = 849623040. Its totient is φ = 75686400.

The previous prime is 315630509. The next prime is 315630547. The reversal of 315630546 is 645036513.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315630547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 359460 + ... + 360336.

It is an arithmetic number, because the mean of its divisors is an integer number (6637680).

Almost surely, 2^315630546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315630546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424811520).

315630546 is an abundant number, since it is smaller than the sum of its proper divisors (533992494).

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

315630546 is a wasteful number, since it uses less digits than its factorization.

315630546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 315630546 is about 17765.9940898335. The cubic root of 315630546 is about 680.8629082697.

The spelling of 315630546 in words is "three hundred fifteen million, six hundred thirty thousand, five hundred forty-six".