84506442 has 8 divisors (see below), whose sum is σ = 169012896. Its totient is φ = 28168812.

The previous prime is 84506431. The next prime is 84506447. The reversal of 84506442 is 24460548.

It is a sphenic number, since it is the product of 3 distinct primes.

84506442 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (84506447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7042198 + ... + 7042209.

It is an arithmetic number, because the mean of its divisors is an integer number (21126612).

Almost surely, 2^84506442 is an apocalyptic number.

84506442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84506442 is a wasteful number, since it uses less digits than its factorization.

84506442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084412.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 84506442 is about 9192.7385473536. The cubic root of 84506442 is about 438.8302988557.

It can be divided in two parts, 84506 and 442, that added together give a palindrome (84948).

The spelling of 84506442 in words is "eighty-four million, five hundred six thousand, four hundred forty-two".