842785984 has 28 divisors (see below), whose sum is σ = 1692563544. Its totient is φ = 416313344.

The previous prime is 842785969. The next prime is 842786003. The reversal of 842785984 is 489587248.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74017 + ... + 84640.

It is an arithmetic number, because the mean of its divisors is an integer number (60448698).

Almost surely, 2^842785984 is an apocalyptic number.

It is an amenable number.

842785984 is an abundant number, since it is smaller than the sum of its proper divisors (849777560).

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

842785984 is a wasteful number, since it uses less digits than its factorization.

842785984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158752 (or 158742 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 842785984 is about 29030.7764966768. The cubic root of 842785984 is about 944.5807735207.

The spelling of 842785984 in words is "eight hundred forty-two million, seven hundred eighty-five thousand, nine hundred eighty-four".