428709059 has 8 divisors (see below), whose sum is σ = 445067760. Its totient is φ = 412455456.

The previous prime is 428709053. The next prime is 428709091. The reversal of 428709059 is 950907824.

It is a happy number.

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 428709059 - 2²⁴ = 411931843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428709053) 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, 17912 + ... + 34325.

It is an arithmetic number, because the mean of its divisors is an integer number (55633470).

Almost surely, 2^428709059 is an apocalyptic number.

428709059 is a deficient number, since it is larger than the sum of its proper divisors (16358701).

428709059 is a wasteful number, since it uses less digits than its factorization.

428709059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52549.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 428709059 is about 20705.2906040944. The cubic root of 428709059 is about 754.0281394654.

The spelling of 428709059 in words is "four hundred twenty-eight million, seven hundred nine thousand, fifty-nine".