428812318 has 32 divisors (see below), whose sum is σ = 744357600. Its totient is φ = 183106560.

The previous prime is 428812303. The next prime is 428812327. The reversal of 428812318 is 813218824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391780 + ... + 392872.

It is an arithmetic number, because the mean of its divisors is an integer number (23261175).

Almost surely, 2^428812318 is an apocalyptic number.

428812318 is a deficient number, since it is larger than the sum of its proper divisors (315545282).

428812318 is a wasteful number, since it uses less digits than its factorization.

428812318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 24576, while the sum is 37.

The square root of 428812318 is about 20707.7839953965. The cubic root of 428812318 is about 754.0886730912.

The spelling of 428812318 in words is "four hundred twenty-eight million, eight hundred twelve thousand, three hundred eighteen".