86646020 has 24 divisors (see below), whose sum is σ = 183351168. Its totient is φ = 34392800.

The previous prime is 86646011. The next prime is 86646029. The reversal of 86646020 is 2064668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86646011) and next prime (86646029).

It is not an unprimeable number, because it can be changed into a prime (86646029) 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, 13916 + ... + 19155.

It is an arithmetic number, because the mean of its divisors is an integer number (7639632).

Almost surely, 2^86646020 is an apocalyptic number.

It is an amenable number.

86646020 is an abundant number, since it is smaller than the sum of its proper divisors (96705148).

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

86646020 is a wasteful number, since it uses less digits than its factorization.

86646020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33211 (or 33209 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 86646020 is about 9308.3843925786. The cubic root of 86646020 is about 442.5029865631.

The spelling of 86646020 in words is "eighty-six million, six hundred forty-six thousand, twenty".