84798020 has 48 divisors (see below), whose sum is σ = 184923648. Its totient is φ = 32628480.

The previous prime is 84798017. The next prime is 84798031. The reversal of 84798020 is 2089748.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144167 + ... + 144753.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^84798020 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 84798020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92461824).

84798020 is an abundant number, since it is smaller than the sum of its proper divisors (100125628).

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

84798020 is a wasteful number, since it uses less digits than its factorization.

84798020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 84798020 is about 9208.5840388194. The cubic root of 84798020 is about 439.3344276042.

The spelling of 84798020 in words is "eighty-four million, seven hundred ninety-eight thousand, twenty".