1364289 has 4 divisors (see below), whose sum is σ = 1819056. Its totient is φ = 909524.

The previous prime is 1364287. The next prime is 1364299. The reversal of 1364289 is 9824631.

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 1364289 - 2¹ = 1364287 is a prime.

It is a super-2 number, since 2×1364289² = 3722568951042, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1364287) 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, 227379 + ... + 227384.

It is an arithmetic number, because the mean of its divisors is an integer number (454764).

2^1364289 is an apocalyptic number.

It is an amenable number.

1364289 is a deficient number, since it is larger than the sum of its proper divisors (454767).

1364289 is an equidigital number, since it uses as much as digits as its factorization.

1364289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454766.

The product of its digits is 10368, while the sum is 33.

The square root of 1364289 is about 1168.0278250110. The cubic root of 1364289 is about 110.9095115137.

It can be divided in two parts, 13642 and 89, that added together give a palindrome (13731).

The spelling of 1364289 in words is "one million, three hundred sixty-four thousand, two hundred eighty-nine".