3989506 has 8 divisors (see below), whose sum is σ = 6299280. Its totient is φ = 1889748.

The previous prime is 3989477. The next prime is 3989519. The reversal of 3989506 is 6059893.

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, 52456 + ... + 52531.

It is an arithmetic number, because the mean of its divisors is an integer number (787410).

Almost surely, 2^3989506 is an apocalyptic number.

3989506 is a deficient number, since it is larger than the sum of its proper divisors (2309774).

3989506 is a wasteful number, since it uses less digits than its factorization.

3989506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105008.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3989506 is about 1997.3747770511. The cubic root of 3989506 is about 158.6011654010.

The spelling of 3989506 in words is "three million, nine hundred eighty-nine thousand, five hundred six".