3999017 has 8 divisors (see below), whose sum is σ = 4469472. Its totient is φ = 3546400.

The previous prime is 3999001. The next prime is 3999053. The reversal of 3999017 is 7109993.

It is a happy number.

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

It is not a de Polignac number, because 3999017 - 2⁴ = 3999001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3999067) 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, 3983 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (558684).

Almost surely, 2^3999017 is an apocalyptic number.

It is an amenable number.

3999017 is a deficient number, since it is larger than the sum of its proper divisors (470455).

3999017 is a wasteful number, since it uses less digits than its factorization.

3999017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 3999017 is about 1999.7542348999. The cubic root of 3999017 is about 158.7271006712.

The spelling of 3999017 in words is "three million, nine hundred ninety-nine thousand, seventeen".