84971434 has 16 divisors (see below), whose sum is σ = 134781696. Its totient is φ = 40111200.

The previous prime is 84971429. The next prime is 84971449. The reversal of 84971434 is 43417948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14172 + ... + 19255.

It is an arithmetic number, because the mean of its divisors is an integer number (8423856).

Almost surely, 2^84971434 is an apocalyptic number.

84971434 is a deficient number, since it is larger than the sum of its proper divisors (49810262).

84971434 is a wasteful number, since it uses less digits than its factorization.

84971434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33501.

The product of its digits is 96768, while the sum is 40.

The square root of 84971434 is about 9217.9951182456. The cubic root of 84971434 is about 439.6337068593.

The spelling of 84971434 in words is "eighty-four million, nine hundred seventy-one thousand, four hundred thirty-four".