3836389 has 2 divisors, whose sum is σ = 3836390. Its totient is φ = 3836388.

The previous prime is 3836387. The next prime is 3836401. The reversal of 3836389 is 9836383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 65025 = 1942^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3836389 - 2¹ = 3836387 is a prime.

Together with 3836387, it forms a pair of twin primes.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3836383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918194 + 1918195.

It is an arithmetic number, because the mean of its divisors is an integer number (1918195).

Almost surely, 2^3836389 is an apocalyptic number.

It is an amenable number.

3836389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3836389 is an equidigital number, since it uses as much as digits as its factorization.

3836389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 3836389 is about 1958.6702121593. The cubic root of 3836389 is about 156.5456048810.

It can be divided in two parts, 3836 and 389, that added together give a square (4225 = 65²).

The spelling of 3836389 in words is "three million, eight hundred thirty-six thousand, three hundred eighty-nine".