3989470 has 16 divisors (see below), whose sum is σ = 7217280. Its totient is φ = 1587744.

The previous prime is 3989467. The next prime is 3989471. The reversal of 3989470 is 749893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989471) 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, 1336 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (451080).

Almost surely, 2^3989470 is an apocalyptic number.

3989470 is a deficient number, since it is larger than the sum of its proper divisors (3227810).

3989470 is a wasteful number, since it uses less digits than its factorization.

3989470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

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

The square root of 3989470 is about 1997.3657652018. The cubic root of 3989470 is about 158.6006883446.

The spelling of 3989470 in words is "three million, nine hundred eighty-nine thousand, four hundred seventy".