1368589 has 4 divisors (see below), whose sum is σ = 1440640. Its totient is φ = 1296540.

The previous prime is 1368547. The next prime is 1368599. The reversal of 1368589 is 9858631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1368589 - 2⁷ = 1368461 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 (1368509) 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, 35997 + ... + 36034.

It is an arithmetic number, because the mean of its divisors is an integer number (360160).

2^1368589 is an apocalyptic number.

1368589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1368589 is a deficient number, since it is larger than the sum of its proper divisors (72051).

1368589 is an equidigital number, since it uses as much as digits as its factorization.

1368589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72050.

The product of its digits is 51840, while the sum is 40.

The square root of 1368589 is about 1169.8670864675. The cubic root of 1368589 is about 111.0259117604.

The spelling of 1368589 in words is "one million, three hundred sixty-eight thousand, five hundred eighty-nine".