428409113 has 8 divisors (see below), whose sum is σ = 469968480. Its totient is φ = 387285280.

The previous prime is 428409097. The next prime is 428409127. The reversal of 428409113 is 311904824.

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 428409113 - 2⁴ = 428409097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428409113.

It is not an unprimeable number, because it can be changed into a prime (428409143) 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, 106820 + ... + 110757.

It is an arithmetic number, because the mean of its divisors is an integer number (58746060).

Almost surely, 2^428409113 is an apocalyptic number.

It is an amenable number.

428409113 is a deficient number, since it is larger than the sum of its proper divisors (41559367).

428409113 is a wasteful number, since it uses less digits than its factorization.

428409113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217767.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 428409113 is about 20698.0461155153. The cubic root of 428409113 is about 753.8522466805.

The spelling of 428409113 in words is "four hundred twenty-eight million, four hundred nine thousand, one hundred thirteen".