1365489 has 12 divisors (see below), whose sum is σ = 1986036. Its totient is φ = 904032.

The previous prime is 1365467. The next prime is 1365499. The reversal of 1365489 is 9845631.

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 166464 = 1095^2 + 408^2 .

It is not a de Polignac number, because 1365489 - 2⁷ = 1365361 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (165503).

2^1365489 is an apocalyptic number.

It is an amenable number.

1365489 is a deficient number, since it is larger than the sum of its proper divisors (620547).

1365489 is a wasteful number, since it uses less digits than its factorization.

1365489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1053 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1365489 is about 1168.5413984964. The cubic root of 1365489 is about 110.9420198780.

It can be divided in two parts, 136 and 5489, that added together give a square (5625 = 75²).

The spelling of 1365489 in words is "one million, three hundred sixty-five thousand, four hundred eighty-nine".