428441076 has 72 divisors (see below), whose sum is σ = 1283580480. Its totient is φ = 122409792.

The previous prime is 428441063. The next prime is 428441107. The reversal of 428441076 is 670144824.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 428441076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24681 + ... + 38288.

Almost surely, 2^428441076 is an apocalyptic number.

It is an amenable number.

428441076 is an abundant number, since it is smaller than the sum of its proper divisors (855139404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428441076 is a wasteful number, since it uses less digits than its factorization.

428441076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62995 (or 62981 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 428441076 is about 20698.8182271356. The cubic root of 428441076 is about 753.8709941654.

The spelling of 428441076 in words is "four hundred twenty-eight million, four hundred forty-one thousand, seventy-six".