86084021 has 8 divisors (see below), whose sum is σ = 87704064. Its totient is φ = 84475440.

The previous prime is 86083999. The next prime is 86084023. The reversal of 86084021 is 12048068.

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

It is a cyclic number.

It is not a de Polignac number, because 86084021 - 2⁶ = 86083957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86084023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13115 + ... + 18551.

It is an arithmetic number, because the mean of its divisors is an integer number (10963008).

Almost surely, 2^86084021 is an apocalyptic number.

It is an amenable number.

86084021 is a deficient number, since it is larger than the sum of its proper divisors (1620043).

86084021 is a wasteful number, since it uses less digits than its factorization.

86084021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 86084021 is about 9278.1474982887. The cubic root of 86084021 is about 441.5441971737.

The spelling of 86084021 in words is "eighty-six million, eighty-four thousand, twenty-one".