3836989 has 4 divisors (see below), whose sum is σ = 4132156. Its totient is φ = 3541824.

The previous prime is 3836983. The next prime is 3837013. The reversal of 3836989 is 9896383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 2102500 = 1317^2 + 1450^2 .

It is not a de Polignac number, because 3836989 - 2⁵ = 3836957 is a prime.

It is a super-2 number, since 2×3836989² = 29444969172242, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3836989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3836983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147564 + ... + 147589.

It is an arithmetic number, because the mean of its divisors is an integer number (1033039).

Almost surely, 2^3836989 is an apocalyptic number.

It is an amenable number.

3836989 is a deficient number, since it is larger than the sum of its proper divisors (295167).

3836989 is a wasteful number, since it uses less digits than its factorization.

3836989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295166.

The product of its digits is 279936, while the sum is 46.

The square root of 3836989 is about 1958.8233713125. The cubic root of 3836989 is about 156.5537655469.

The spelling of 3836989 in words is "three million, eight hundred thirty-six thousand, nine hundred eighty-nine".