84434634 has 24 divisors (see below), whose sum is σ = 183542112. Its totient is φ = 28052520.

The previous prime is 84434627. The next prime is 84434639. The reversal of 84434634 is 43643448.

It is not an unprimeable number, because it can be changed into a prime (84434639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (7647588).

Almost surely, 2^84434634 is an apocalyptic number.

84434634 is an abundant number, since it is smaller than the sum of its proper divisors (99107478).

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

84434634 is a wasteful number, since it uses less digits than its factorization.

84434634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402 (or 15399 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 84434634 is about 9188.8320258888. The cubic root of 84434634 is about 438.7059672858.

The spelling of 84434634 in words is "eighty-four million, four hundred thirty-four thousand, six hundred thirty-four".