318428846 has 16 divisors (see below), whose sum is σ = 489819264. Its totient is φ = 155172024.

The previous prime is 318428833. The next prime is 318428849. The reversal of 318428846 is 648824813.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 318428797 and 318428806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318428849) 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, 38081 + ... + 45683.

It is an arithmetic number, because the mean of its divisors is an integer number (30613704).

Almost surely, 2^318428846 is an apocalyptic number.

318428846 is a deficient number, since it is larger than the sum of its proper divisors (171390418).

318428846 is a wasteful number, since it uses less digits than its factorization.

318428846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135.

The product of its digits is 294912, while the sum is 44.

The square root of 318428846 is about 17844.5746937269. The cubic root of 318428846 is about 682.8691100958.

The spelling of 318428846 in words is "three hundred eighteen million, four hundred twenty-eight thousand, eight hundred forty-six".