84184542 has 32 divisors (see below), whose sum is σ = 201468960. Its totient is φ = 25902720.

The previous prime is 84184501. The next prime is 84184559. The reversal of 84184542 is 24548148.

It is a super-2 number, since 2×84184542² = 14174074223499528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84184497 and 84184506.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59259 + ... + 60662.

It is an arithmetic number, because the mean of its divisors is an integer number (6295905).

Almost surely, 2^84184542 is an apocalyptic number.

84184542 is an abundant number, since it is smaller than the sum of its proper divisors (117284418).

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

84184542 is a wasteful number, since it uses less digits than its factorization.

84184542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119945 (or 119939 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 84184542 is about 9175.2134580074. The cubic root of 84184542 is about 438.2723957690.

The spelling of 84184542 in words is "eighty-four million, one hundred eighty-four thousand, five hundred forty-two".