84020976 has 100 divisors (see below), whose sum is σ = 261939832. Its totient is φ = 25847424.

The previous prime is 84020947. The next prime is 84020977. The reversal of 84020976 is 67902048.

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 84020976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84020977) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14355 + ... + 19341.

Almost surely, 2^84020976 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 84020976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130969916).

84020976 is an abundant number, since it is smaller than the sum of its proper divisors (177918856).

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

84020976 is a wasteful number, since it uses less digits than its factorization.

84020976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 84020976 is about 9166.2956530978. The cubic root of 84020976 is about 437.9883652380.

The spelling of 84020976 in words is "eighty-four million, twenty thousand, nine hundred seventy-six".