3899138 has 8 divisors (see below), whose sum is σ = 5862780. Its totient is φ = 1944880.

The previous prime is 3899131. The next prime is 3899143. The reversal of 3899138 is 8319983.

It can be written as a sum of positive squares in 2 ways, for example, as 3621409 + 277729 = 1903^2 + 527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3899095 and 3899104.

It is not an unprimeable number, because it can be changed into a prime (3899131) 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 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 3036.

Almost surely, 2^3899138 is an apocalyptic number.

3899138 is a deficient number, since it is larger than the sum of its proper divisors (1963642).

3899138 is a wasteful number, since it uses less digits than its factorization.

3899138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692.

The product of its digits is 46656, while the sum is 41.

The square root of 3899138 is about 1974.6235084188. The cubic root of 3899138 is about 157.3944938812.

The spelling of 3899138 in words is "three million, eight hundred ninety-nine thousand, one hundred thirty-eight".