84296784 has 80 divisors (see below), whose sum is σ = 255858624. Its totient is φ = 23577600.

The previous prime is 84296759. The next prime is 84296789. The reversal of 84296784 is 48769248.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84296789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724 + ... + 13004.

Almost surely, 2^84296784 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 84296784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127929312).

84296784 is an abundant number, since it is smaller than the sum of its proper divisors (171561840).

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

84296784 is a wasteful number, since it uses less digits than its factorization.

84296784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316 (or 12310 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 84296784 is about 9181.3280085182. The cubic root of 84296784 is about 438.4670899598.

It can be divided in two parts, 842967 and 84, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 84296784 in words is "eighty-four million, two hundred ninety-six thousand, seven hundred eighty-four".