428641595 has 8 divisors (see below), whose sum is σ = 514491264. Its totient is φ = 342832384.

The previous prime is 428641579. The next prime is 428641649. The reversal of 428641595 is 595146824.

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 428641595 - 2⁴ = 428641579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23147 + ... + 37323.

It is an arithmetic number, because the mean of its divisors is an integer number (64311408).

Almost surely, 2^428641595 is an apocalyptic number.

428641595 is a deficient number, since it is larger than the sum of its proper divisors (85849669).

428641595 is a wasteful number, since it uses less digits than its factorization.

428641595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20229.

The product of its digits is 345600, while the sum is 44.

The square root of 428641595 is about 20703.6613911646. The cubic root of 428641595 is about 753.9885847277.

The spelling of 428641595 in words is "four hundred twenty-eight million, six hundred forty-one thousand, five hundred ninety-five".