2036389 has 4 divisors (see below), whose sum is σ = 2046924. Its totient is φ = 2025856.

The previous prime is 2036387. The next prime is 2036393. The reversal of 2036389 is 9836302.

It is a happy number.

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 1085764 + 950625 = 1042^2 + 975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036389 - 2¹ = 2036387 is a prime.

It is a super-3 number, since 3×2036389³ = 25333983422278595607, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2036389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4972 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (511731).

2^2036389 is an apocalyptic number.

It is an amenable number.

2036389 is a deficient number, since it is larger than the sum of its proper divisors (10535).

2036389 is a wasteful number, since it uses less digits than its factorization.

2036389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2036389 is about 1427.0210229706. The cubic root of 2036389 is about 126.7516381230.

The spelling of 2036389 in words is "two million, thirty-six thousand, three hundred eighty-nine".