315018396 has 336 divisors, whose sum is σ = 1092930048. Its totient is φ = 76982400.

The previous prime is 315018391. The next prime is 315018397. The reversal of 315018396 is 693810513.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315018396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315018391) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5164206 + ... + 5164266.

It is an arithmetic number, because the mean of its divisors is an integer number (3252768).

Almost surely, 2^315018396 is an apocalyptic number.

315018396 is a gapful number since it is divisible by the number (36) 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 315018396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546465024).

315018396 is an abundant number, since it is smaller than the sum of its proper divisors (777911652).

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

315018396 is a wasteful number, since it uses less digits than its factorization.

315018396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 315018396 is about 17748.7575903216. The cubic root of 315018396 is about 680.4224566368.

The spelling of 315018396 in words is "three hundred fifteen million, eighteen thousand, three hundred ninety-six".