84997434 has 32 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 27192704.

The previous prime is 84997421. The next prime is 84997441. The reversal of 84997434 is 43479948.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29782 + ... + 32510.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^84997434 is an apocalyptic number.

84997434 is an abundant number, since it is smaller than the sum of its proper divisors (91906566).

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

84997434 is a wasteful number, since it uses less digits than its factorization.

84997434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its digits is 870912, while the sum is 48.

The square root of 84997434 is about 9219.4052953539. The cubic root of 84997434 is about 439.6785427537.

The spelling of 84997434 in words is "eighty-four million, nine hundred ninety-seven thousand, four hundred thirty-four".