84656542 has 8 divisors (see below), whose sum is σ = 127064736. Its totient is φ = 42301632.

The previous prime is 84656531. The next prime is 84656557. The reversal of 84656542 is 24565648.

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

It is a junction number, because it is equal to n+sod(n) for n = 84656495 and 84656504.

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 3 ways as a sum of consecutive naturals, for example, 9078 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (15883092).

Almost surely, 2^84656542 is an apocalyptic number.

84656542 is a deficient number, since it is larger than the sum of its proper divisors (42408194).

84656542 is a wasteful number, since it uses less digits than its factorization.

84656542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26642.

The product of its digits is 230400, while the sum is 40.

The square root of 84656542 is about 9200.8989778173. The cubic root of 84656542 is about 439.0899613789.

The spelling of 84656542 in words is "eighty-four million, six hundred fifty-six thousand, five hundred forty-two".