3989407 has 8 divisors (see below), whose sum is σ = 4314816. Its totient is φ = 3674112.

The previous prime is 3989393. The next prime is 3989413. The reversal of 3989407 is 7049893.

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

It is a cyclic number.

It is not a de Polignac number, because 3989407 - 2¹⁵ = 3956639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3989407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (539352).

Almost surely, 2^3989407 is an apocalyptic number.

3989407 is a deficient number, since it is larger than the sum of its proper divisors (325409).

3989407 is a wasteful number, since it uses less digits than its factorization.

3989407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3989407 is about 1997.3499943675. The cubic root of 3989407 is about 158.5998534888.

The spelling of 3989407 in words is "three million, nine hundred eighty-nine thousand, four hundred seven".