316392090 has 128 divisors (see below), whose sum is σ = 893030400. Its totient is φ = 70253568.

The previous prime is 316392079. The next prime is 316392091. The reversal of 316392090 is 90293613.

It is a super-2 number, since 2×316392090² = 200207909229136200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316392091) 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, 1589811 + ... + 1590009.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^316392090 is an apocalyptic number.

316392090 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 316392090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446515200).

316392090 is an abundant number, since it is smaller than the sum of its proper divisors (576638310).

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

316392090 is a wasteful number, since it uses less digits than its factorization.

316392090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 316392090 is about 17787.4138086457. The cubic root of 316392090 is about 681.4100570532.

The spelling of 316392090 in words is "three hundred sixteen million, three hundred ninety-two thousand, ninety".