428727459 has 8 divisors (see below), whose sum is σ = 581007952. Its totient is φ = 281132640.

The previous prime is 428727449. The next prime is 428727479. The reversal of 428727459 is 954727824.

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

It is not a de Polignac number, because 428727459 - 2¹¹ = 428725411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428727449) 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, 1171204 + ... + 1171569.

It is an arithmetic number, because the mean of its divisors is an integer number (72625994).

Almost surely, 2^428727459 is an apocalyptic number.

428727459 is a deficient number, since it is larger than the sum of its proper divisors (152280493).

428727459 is a wasteful number, since it uses less digits than its factorization.

428727459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342837.

The product of its digits is 1128960, while the sum is 48.

The square root of 428727459 is about 20705.7349302071. The cubic root of 428727459 is about 754.0389268272.

The spelling of 428727459 in words is "four hundred twenty-eight million, seven hundred twenty-seven thousand, four hundred fifty-nine".