84973434 has 64 divisors (see below), whose sum is σ = 220200960. Its totient is φ = 21228480.

The previous prime is 84973433. The next prime is 84973489. The reversal of 84973434 is 43437948.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (84973433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6279 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (3440640).

Almost surely, 2^84973434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84973434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110100480).

84973434 is an abundant number, since it is smaller than the sum of its proper divisors (135227526).

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

84973434 is a wasteful number, since it uses less digits than its factorization.

84973434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235.

The product of its digits is 290304, while the sum is 42.

The square root of 84973434 is about 9218.1036010668. The cubic root of 84973434 is about 439.6371560989.

The spelling of 84973434 in words is "eighty-four million, nine hundred seventy-three thousand, four hundred thirty-four".