84504434 has 16 divisors (see below), whose sum is σ = 149860800. Its totient is φ = 34967184.

The previous prime is 84504397. The next prime is 84504439. The reversal of 84504434 is 43440548.

It is a self number, because there is not a number n which added to its sum of digits gives 84504434.

It is not an unprimeable number, because it can be changed into a prime (84504439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103664 + ... + 104475.

It is an arithmetic number, because the mean of its divisors is an integer number (9366300).

Almost surely, 2^84504434 is an apocalyptic number.

84504434 is a deficient number, since it is larger than the sum of its proper divisors (65356366).

84504434 is a wasteful number, since it uses less digits than its factorization.

84504434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208177.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 84504434 is about 9192.6293300666. The cubic root of 84504434 is about 438.8268230724.

The spelling of 84504434 in words is "eighty-four million, five hundred four thousand, four hundred thirty-four".