3986898 has 16 divisors (see below), whose sum is σ = 8189760. Its totient is φ = 1292976.

The previous prime is 3986897. The next prime is 3986921. The reversal of 3986898 is 8986893.

It is a self number, because there is not a number n which added to its sum of digits gives 3986898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8758 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (511860).

Almost surely, 2^3986898 is an apocalyptic number.

3986898 is an abundant number, since it is smaller than the sum of its proper divisors (4202862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3986898 is a wasteful number, since it uses less digits than its factorization.

3986898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001.

The product of its digits is 746496, while the sum is 51.

The square root of 3986898 is about 1996.7218133731. The cubic root of 3986898 is about 158.5665978794.

It can be divided in two parts, 3986 and 898, that added together give a palindrome (4884).

The spelling of 3986898 in words is "three million, nine hundred eighty-six thousand, eight hundred ninety-eight".