3899118 has 16 divisors (see below), whose sum is σ = 8050176. Its totient is φ = 1257720.

The previous prime is 3899117. The next prime is 3899131. The reversal of 3899118 is 8119983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10296 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (503136).

Almost surely, 2^3899118 is an apocalyptic number.

3899118 is an abundant number, since it is smaller than the sum of its proper divisors (4151058).

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

3899118 is a wasteful number, since it uses less digits than its factorization.

3899118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20999.

The product of its digits is 15552, while the sum is 39.

The square root of 3899118 is about 1974.6184441557. The cubic root of 3899118 is about 157.3942247708.

The spelling of 3899118 in words is "three million, eight hundred ninety-nine thousand, one hundred eighteen".