84506434 has 16 divisors (see below), whose sum is σ = 131201280. Its totient is φ = 40780080.

The previous prime is 84506431. The next prime is 84506447. The reversal of 84506434 is 43460548.

It is a self number, because there is not a number n which added to its sum of digits gives 84506434.

It is not an unprimeable number, because it can be changed into a prime (84506431) 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, 24352 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (8200080).

Almost surely, 2^84506434 is an apocalyptic number.

84506434 is a deficient number, since it is larger than the sum of its proper divisors (46694846).

84506434 is a wasteful number, since it uses less digits than its factorization.

84506434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 84506434 is about 9192.7381122275. The cubic root of 84506434 is about 438.8302850080.

It can be divided in two parts, 8450 and 6434, that added together give a square (14884 = 122²).

The spelling of 84506434 in words is "eighty-four million, five hundred six thousand, four hundred thirty-four".