315763890 has 64 divisors (see below), whose sum is σ = 844300800. Its totient is φ = 75043584.

The previous prime is 315763873. The next prime is 315763891. The reversal of 315763890 is 98367513.

It is not an unprimeable number, because it can be changed into a prime (315763891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2650 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (13192200).

Almost surely, 2^315763890 is an apocalyptic number.

315763890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315763890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422150400).

315763890 is an abundant number, since it is smaller than the sum of its proper divisors (528536910).

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

315763890 is a wasteful number, since it uses less digits than its factorization.

315763890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27971.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 315763890 is about 17769.7464810278. The cubic root of 315763890 is about 680.9587758408.

The spelling of 315763890 in words is "three hundred fifteen million, seven hundred sixty-three thousand, eight hundred ninety".