316893780 has 432 divisors, whose sum is σ = 1234920960. Its totient is φ = 65318400.

The previous prime is 316893767. The next prime is 316893781. The reversal of 316893780 is 87398613.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316893781) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5194950 + ... + 5195010.

Almost surely, 2^316893780 is an apocalyptic number.

316893780 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 316893780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617460480).

316893780 is an abundant number, since it is smaller than the sum of its proper divisors (918027180).

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

316893780 is a wasteful number, since it uses less digits than its factorization.

316893780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 316893780 is about 17801.5106100578. The cubic root of 316893780 is about 681.7700282113.

The spelling of 316893780 in words is "three hundred sixteen million, eight hundred ninety-three thousand, seven hundred eighty".