316089293 has 8 divisors (see below), whose sum is σ = 340571448. Its totient is φ = 291631104.

The previous prime is 316089287. The next prime is 316089307. The reversal of 316089293 is 392980613.

It can be written as a sum of positive squares in 4 ways, for example, as 209764 + 315879529 = 458^2 + 17773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316089293 - 2²⁴ = 299312077 is a prime.

It is a super-2 number, since 2×316089293² = 199824882298479698, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 316089293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316089223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29021 + ... + 38397.

It is an arithmetic number, because the mean of its divisors is an integer number (42571431).

Almost surely, 2^316089293 is an apocalyptic number.

It is an amenable number.

316089293 is a deficient number, since it is larger than the sum of its proper divisors (24482155).

316089293 is a wasteful number, since it uses less digits than its factorization.

316089293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 316089293 is about 17778.9002190799. The cubic root of 316089293 is about 681.1926108489.

The spelling of 316089293 in words is "three hundred sixteen million, eighty-nine thousand, two hundred ninety-three".