316720893 has 8 divisors (see below), whose sum is σ = 435917056. Its totient is φ = 204336000.

The previous prime is 316720891. The next prime is 316720903. The reversal of 316720893 is 398027613.

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

It is not a de Polignac number, because 316720893 - 2¹ = 316720891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316720891) 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, 1702708 + ... + 1702893.

It is an arithmetic number, because the mean of its divisors is an integer number (54489632).

Almost surely, 2^316720893 is an apocalyptic number.

It is an amenable number.

316720893 is a deficient number, since it is larger than the sum of its proper divisors (119196163).

316720893 is a wasteful number, since it uses less digits than its factorization.

316720893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405635.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 316720893 is about 17796.6539832633. The cubic root of 316720893 is about 681.6460217629.

The spelling of 316720893 in words is "three hundred sixteen million, seven hundred twenty thousand, eight hundred ninety-three".