316428861 has 16 divisors (see below), whose sum is σ = 484876800. Its totient is φ = 179804208.

The previous prime is 316428851. The next prime is 316428881. The reversal of 316428861 is 168824613.

It is not a de Polignac number, because 316428861 - 2⁹ = 316428349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316428821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38331 + ... + 45848.

It is an arithmetic number, because the mean of its divisors is an integer number (30304800).

Almost surely, 2^316428861 is an apocalyptic number.

It is an amenable number.

316428861 is a deficient number, since it is larger than the sum of its proper divisors (168447939).

316428861 is a wasteful number, since it uses less digits than its factorization.

316428861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84368.

The product of its digits is 55296, while the sum is 39.

The square root of 316428861 is about 17788.4474027387. The cubic root of 316428861 is about 681.4364537926.

The spelling of 316428861 in words is "three hundred sixteen million, four hundred twenty-eight thousand, eight hundred sixty-one".