84188542 has 16 divisors (see below), whose sum is σ = 130370400. Its totient is φ = 40743648.

The previous prime is 84188527. The next prime is 84188557. The reversal of 84188542 is 24588148.

It is an interprime number because it is at equal distance from previous prime (84188527) and next prime (84188557).

It is a junction number, because it is equal to n+sod(n) for n = 84188495 and 84188504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11868 + ... + 17584.

It is an arithmetic number, because the mean of its divisors is an integer number (8148150).

Almost surely, 2^84188542 is an apocalyptic number.

84188542 is a deficient number, since it is larger than the sum of its proper divisors (46181858).

84188542 is a wasteful number, since it uses less digits than its factorization.

84188542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its digits is 81920, while the sum is 40.

The square root of 84188542 is about 9175.4314339981. The cubic root of 84188542 is about 438.2793371138.

The spelling of 84188542 in words is "eighty-four million, one hundred eighty-eight thousand, five hundred forty-two".