3900066 has 8 divisors (see below), whose sum is σ = 7800144. Its totient is φ = 1300020.

The previous prime is 3899989. The next prime is 3900067. The reversal of 3900066 is 6600093.

It is a sphenic number, since it is the product of 3 distinct primes.

3900066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3900067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325000 + ... + 325011.

It is an arithmetic number, because the mean of its divisors is an integer number (975018).

Almost surely, 2^3900066 is an apocalyptic number.

3900066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3900066 is a wasteful number, since it uses less digits than its factorization.

3900066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650016.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3900066 is about 1974.8584759420. The cubic root of 3900066 is about 157.4069795899.

The spelling of 3900066 in words is "three million, nine hundred thousand, sixty-six".