84506436 has 48 divisors (see below), whose sum is σ = 250391680. Its totient is φ = 24144480.

The previous prime is 84506431. The next prime is 84506447. The reversal of 84506436 is 63460548.

84506436 is a `hidden beast` number, since 8 + 4 + 5 + 0 + 643 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 84506436.

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 15 ways as a sum of consecutive naturals, for example, 55135 + ... + 56646.

Almost surely, 2^84506436 is an apocalyptic number.

It is an amenable number.

84506436 is an abundant number, since it is smaller than the sum of its proper divisors (165885244).

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

84506436 is a wasteful number, since it uses less digits than its factorization.

84506436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111801 (or 111793 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 84506436 is about 9192.7382210090. The cubic root of 84506436 is about 438.8302884699.

It can be divided in two parts, 8450643 and 6, that added together give a square (8450649 = 2907²).

The spelling of 84506436 in words is "eighty-four million, five hundred six thousand, four hundred thirty-six".