428664802 has 8 divisors (see below), whose sum is σ = 644018112. Its totient is φ = 213992100.

The previous prime is 428664781. The next prime is 428664827. The reversal of 428664802 is 208466824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168574 + ... + 171097.

It is an arithmetic number, because the mean of its divisors is an integer number (80502264).

Almost surely, 2^428664802 is an apocalyptic number.

428664802 is a deficient number, since it is larger than the sum of its proper divisors (215353310).

428664802 is a wasteful number, since it uses less digits than its factorization.

428664802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340304.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 428664802 is about 20704.2218400016. The cubic root of 428664802 is about 754.0021916646.

The spelling of 428664802 in words is "four hundred twenty-eight million, six hundred sixty-four thousand, eight hundred two".