4038666 has 8 divisors (see below), whose sum is σ = 8077344. Its totient is φ = 1346220.

The previous prime is 4038647. The next prime is 4038667. The reversal of 4038666 is 6668304.

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

4038666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4038667) 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, 336550 + ... + 336561.

It is an arithmetic number, because the mean of its divisors is an integer number (1009668).

Almost surely, 2^4038666 is an apocalyptic number.

4038666 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.

4038666 is a wasteful number, since it uses less digits than its factorization.

4038666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673116.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4038666 is about 2009.6432519231. The cubic root of 4038666 is about 159.2499529699.

The spelling of 4038666 in words is "four million, thirty-eight thousand, six hundred sixty-six".