3859998 has 32 divisors (see below), whose sum is σ = 8176896. Its totient is φ = 1212288.

The previous prime is 3859993. The next prime is 3860009. The reversal of 3859998 is 8999583.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3859998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859993) 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 15 ways as a sum of consecutive naturals, for example, 11286 + ... + 11622.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^3859998 is an apocalyptic number.

3859998 is an abundant number, since it is smaller than the sum of its proper divisors (4316898).

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

3859998 is a wasteful number, since it uses less digits than its factorization.

3859998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 699840, while the sum is 51.

The square root of 3859998 is about 1964.6877614522. The cubic root of 3859998 is about 156.8660737343.

The spelling of 3859998 in words is "three million, eight hundred fifty-nine thousand, nine hundred ninety-eight".