2086369 has 4 divisors (see below), whose sum is σ = 2105620. Its totient is φ = 2067120.

The previous prime is 2086363. The next prime is 2086397. The reversal of 2086369 is 9636802.

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 1299600 + 786769 = 1140^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086369 - 2³ = 2086361 is a prime.

It is a super-2 number, since 2×2086369² = 8705871208322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086361) 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, 9462 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (526405).

2^2086369 is an apocalyptic number.

It is an amenable number.

2086369 is a deficient number, since it is larger than the sum of its proper divisors (19251).

2086369 is a wasteful number, since it uses less digits than its factorization.

2086369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2086369 is about 1444.4268759615. The cubic root of 2086369 is about 127.7802422265.

The spelling of 2086369 in words is "two million, eighty-six thousand, three hundred sixty-nine".