318804444 has 48 divisors (see below), whose sum is σ = 944608000. Its totient is φ = 91086768.

The previous prime is 318804443. The next prime is 318804461. The reversal of 318804444 is 444408813.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 318804399 and 318804408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318804443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210094 + ... + 211605.

Almost surely, 2^318804444 is an apocalyptic number.

It is an amenable number.

318804444 is an abundant number, since it is smaller than the sum of its proper divisors (625803556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318804444 is a wasteful number, since it uses less digits than its factorization.

318804444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421719 (or 421711 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 318804444 is about 17855.0957432325. The cubic root of 318804444 is about 683.1374939616.

The spelling of 318804444 in words is "three hundred eighteen million, eight hundred four thousand, four hundred forty-four".