86021846 has 4 divisors (see below), whose sum is σ = 129032772. Its totient is φ = 43010922.

The previous prime is 86021843. The next prime is 86021849. The reversal of 86021846 is 64812068.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86021843) and next prime (86021849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86021843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505460 + ... + 21505463.

It is an arithmetic number, because the mean of its divisors is an integer number (32258193).

Almost surely, 2^86021846 is an apocalyptic number.

86021846 is a deficient number, since it is larger than the sum of its proper divisors (43010926).

86021846 is a wasteful number, since it uses less digits than its factorization.

86021846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43010925.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 86021846 is about 9274.7962780861. The cubic root of 86021846 is about 441.4378684103.

The spelling of 86021846 in words is "eighty-six million, twenty-one thousand, eight hundred forty-six".