428602817 has 8 divisors (see below), whose sum is σ = 453432000. Its totient is φ = 404000784.

The previous prime is 428602813. The next prime is 428602841. The reversal of 428602817 is 718206824.

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

It is a cyclic number.

It is not a de Polignac number, because 428602817 - 2² = 428602813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428602813) 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, 52898 + ... + 60459.

It is an arithmetic number, because the mean of its divisors is an integer number (56679000).

Almost surely, 2^428602817 is an apocalyptic number.

It is an amenable number.

428602817 is a deficient number, since it is larger than the sum of its proper divisors (24829183).

428602817 is a wasteful number, since it uses less digits than its factorization.

428602817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113575.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 428602817 is about 20702.7248689635. The cubic root of 428602817 is about 753.9658469662.

The spelling of 428602817 in words is "four hundred twenty-eight million, six hundred two thousand, eight hundred seventeen".