4086660 has 24 divisors (see below), whose sum is σ = 11442816. Its totient is φ = 1089760.

The previous prime is 4086631. The next prime is 4086673. The reversal of 4086660 is 666804.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33996 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (476784).

Almost surely, 2^4086660 is an apocalyptic number.

It is an amenable number.

4086660 is an abundant number, since it is smaller than the sum of its proper divisors (7356156).

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

4086660 is a wasteful number, since it uses less digits than its factorization.

4086660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68123 (or 68121 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4086660 is about 2021.5489111075. The cubic root of 4086660 is about 159.8782928612.

The spelling of 4086660 in words is "four million, eighty-six thousand, six hundred sixty".