84190442 has 32 divisors (see below), whose sum is σ = 153833472. Its totient is φ = 33772464.

The previous prime is 84190423. The next prime is 84190453. The reversal of 84190442 is 24409148.

It is a junction number, because it is equal to n+sod(n) for n = 84190399 and 84190408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12353 + ... + 17915.

It is an arithmetic number, because the mean of its divisors is an integer number (4807296).

Almost surely, 2^84190442 is an apocalyptic number.

84190442 is a deficient number, since it is larger than the sum of its proper divisors (69643030).

84190442 is a wasteful number, since it uses less digits than its factorization.

84190442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 84190442 is about 9175.5349707796. The cubic root of 84190442 is about 438.2826341756.

The spelling of 84190442 in words is "eighty-four million, one hundred ninety thousand, four hundred forty-two".