86404668 has 48 divisors (see below), whose sum is σ = 231081984. Its totient is φ = 24615360.

The previous prime is 86404663. The next prime is 86404679. The reversal of 86404668 is 86640468.

It is a super-3 number, since 3×86404668³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86404663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32053 + ... + 34643.

It is an arithmetic number, because the mean of its divisors is an integer number (4814208).

Almost surely, 2^86404668 is an apocalyptic number.

It is an amenable number.

86404668 is an abundant number, since it is smaller than the sum of its proper divisors (144677316).

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

86404668 is a wasteful number, since it uses less digits than its factorization.

86404668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 86404668 is about 9295.4111259266. The cubic root of 86404668 is about 442.0917412949.

The spelling of 86404668 in words is "eighty-six million, four hundred four thousand, six hundred sixty-eight".