318373428 has 24 divisors (see below), whose sum is σ = 743234688. Its totient is φ = 106072576.

The previous prime is 318373427. The next prime is 318373439. The reversal of 318373428 is 824373813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318373421) 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, 25300 + ... + 35732.

It is an arithmetic number, because the mean of its divisors is an integer number (30968112).

Almost surely, 2^318373428 is an apocalyptic number.

It is an amenable number.

318373428 is an abundant number, since it is smaller than the sum of its proper divisors (424861260).

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

318373428 is a wasteful number, since it uses less digits than its factorization.

318373428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12981 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 318373428 is about 17843.0218292754. The cubic root of 318373428 is about 682.8294932537.

It can be divided in two parts, 318373 and 428, that added together give a triangular number (318801 = T₇₉₈).

The spelling of 318373428 in words is "three hundred eighteen million, three hundred seventy-three thousand, four hundred twenty-eight".