3989402 has 8 divisors (see below), whose sum is σ = 5995296. Its totient is φ = 1990972.

The previous prime is 3989393. The next prime is 3989413. The reversal of 3989402 is 2049893.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (749412).

Almost surely, 2^3989402 is an apocalyptic number.

3989402 is a deficient number, since it is larger than the sum of its proper divisors (2005894).

3989402 is a wasteful number, since it uses less digits than its factorization.

3989402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3989402 is about 1997.3487427087. The cubic root of 3989402 is about 158.5997872300.

The spelling of 3989402 in words is "three million, nine hundred eighty-nine thousand, four hundred two".