428365658 has 8 divisors (see below), whose sum is σ = 734341152. Its totient is φ = 183585276.

The previous prime is 428365603. The next prime is 428365669. The reversal of 428365658 is 856563824.

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, 15298760 + ... + 15298787.

It is an arithmetic number, because the mean of its divisors is an integer number (91792644).

Almost surely, 2^428365658 is an apocalyptic number.

428365658 is a deficient number, since it is larger than the sum of its proper divisors (305975494).

428365658 is a wasteful number, since it uses less digits than its factorization.

428365658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30597556.

The product of its digits is 1382400, while the sum is 47.

The square root of 428365658 is about 20696.9963521280. The cubic root of 428365658 is about 753.8267572157.

The spelling of 428365658 in words is "four hundred twenty-eight million, three hundred sixty-five thousand, six hundred fifty-eight".