316436421 has 32 divisors (see below), whose sum is σ = 495065088. Its totient is φ = 176057280.

The previous prime is 316436399. The next prime is 316436459. The reversal of 316436421 is 124634613.

It is not a de Polignac number, because 316436421 - 2⁵ = 316436389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316432421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122475 + ... + 125031.

It is an arithmetic number, because the mean of its divisors is an integer number (15470784).

Almost surely, 2^316436421 is an apocalyptic number.

It is an amenable number.

316436421 is a deficient number, since it is larger than the sum of its proper divisors (178628667).

316436421 is a wasteful number, since it uses less digits than its factorization.

316436421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

The product of its digits is 10368, while the sum is 30.

The square root of 316436421 is about 17788.6598989356. The cubic root of 316436421 is about 681.4418806243.

The spelling of 316436421 in words is "three hundred sixteen million, four hundred thirty-six thousand, four hundred twenty-one".