316404446 has 4 divisors (see below), whose sum is σ = 474606672. Its totient is φ = 158202222.

The previous prime is 316404409. The next prime is 316404469. The reversal of 316404446 is 644404613.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×316404446² = 200223546897133832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79101110 + ... + 79101113.

It is an arithmetic number, because the mean of its divisors is an integer number (118651668).

Almost surely, 2^316404446 is an apocalyptic number.

316404446 is a deficient number, since it is larger than the sum of its proper divisors (158202226).

316404446 is a wasteful number, since it uses less digits than its factorization.

316404446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158202225.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 316404446 is about 17787.7611294958. The cubic root of 316404446 is about 681.4189272634.

The spelling of 316404446 in words is "three hundred sixteen million, four hundred four thousand, four hundred forty-six".