428590116 has 60 divisors (see below), whose sum is σ = 1146512752. Its totient is φ = 139536432.

The previous prime is 428590109. The next prime is 428590121. The reversal of 428590116 is 611095824.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1450 + ... + 29313.

Almost surely, 2^428590116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428590116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573256376).

428590116 is an abundant number, since it is smaller than the sum of its proper divisors (717922636).

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

428590116 is a wasteful number, since it uses less digits than its factorization.

428590116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30822 (or 30811 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 428590116 is about 20702.4181196304. The cubic root of 428590116 is about 753.9583993446.

The spelling of 428590116 in words is "four hundred twenty-eight million, five hundred ninety thousand, one hundred sixteen".