3988286 has 4 divisors (see below), whose sum is σ = 5982432. Its totient is φ = 1994142.

The previous prime is 3988277. The next prime is 3988289. The reversal of 3988286 is 6828893.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997070 + ... + 997073.

It is an arithmetic number, because the mean of its divisors is an integer number (1495608).

Almost surely, 2^3988286 is an apocalyptic number.

3988286 is a deficient number, since it is larger than the sum of its proper divisors (1994146).

3988286 is a wasteful number, since it uses less digits than its factorization.

3988286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994145.

The product of its digits is 165888, while the sum is 44.

The square root of 3988286 is about 1997.0693528268. The cubic root of 3988286 is about 158.5849968872.

The spelling of 3988286 in words is "three million, nine hundred eighty-eight thousand, two hundred eighty-six".