84386860 has 24 divisors (see below), whose sum is σ = 177423120. Its totient is φ = 33714624.

The previous prime is 84386833. The next prime is 84386909. The reversal of 84386860 is 6868348.

It is a super-2 number, since 2×84386860² = 14242284281319200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19407 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (7392630).

Almost surely, 2^84386860 is an apocalyptic number.

It is an amenable number.

84386860 is an abundant number, since it is smaller than the sum of its proper divisors (93036260).

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

84386860 is a wasteful number, since it uses less digits than its factorization.

84386860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 84386860 is about 9186.2320893825. The cubic root of 84386860 is about 438.6232101990.

The spelling of 84386860 in words is "eighty-four million, three hundred eighty-six thousand, eight hundred sixty".