428933318 has 16 divisors (see below), whose sum is σ = 706544640. Its totient is φ = 193677000.

The previous prime is 428933317. The next prime is 428933347. The reversal of 428933318 is 813339824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428933317) 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, 61238 + ... + 67881.

It is an arithmetic number, because the mean of its divisors is an integer number (44159040).

Almost surely, 2^428933318 is an apocalyptic number.

428933318 is a deficient number, since it is larger than the sum of its proper divisors (277611322).

428933318 is a wasteful number, since it uses less digits than its factorization.

428933318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129283.

The product of its digits is 124416, while the sum is 41.

The square root of 428933318 is about 20710.7053960023. The cubic root of 428933318 is about 754.1595946768.

The spelling of 428933318 in words is "four hundred twenty-eight million, nine hundred thirty-three thousand, three hundred eighteen".