2736389 has 4 divisors (see below), whose sum is σ = 2739756. Its totient is φ = 2733024.

The previous prime is 2736367. The next prime is 2736397. The reversal of 2736389 is 9836372.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 280900 = 1567^2 + 530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2736389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2736329) 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, 377 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (684939).

2^2736389 is an apocalyptic number.

It is an amenable number.

2736389 is a deficient number, since it is larger than the sum of its proper divisors (3367).

2736389 is a wasteful number, since it uses less digits than its factorization.

2736389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366.

The product of its digits is 54432, while the sum is 38.

The square root of 2736389 is about 1654.2034336804. The cubic root of 2736389 is about 139.8704413655.

It can be divided in two parts, 2736 and 389, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2736389 in words is "two million, seven hundred thirty-six thousand, three hundred eighty-nine".