11464289 has 4 divisors (see below), whose sum is σ = 11471124. Its totient is φ = 11457456.

The previous prime is 11464283. The next prime is 11464291. The reversal of 11464289 is 98246411.

It is a happy number.

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 2512225 + 8952064 = 1585^2 + 2992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11464289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11464283) 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, 1019 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (2867781).

Almost surely, 2^11464289 is an apocalyptic number.

It is an amenable number.

11464289 is a deficient number, since it is larger than the sum of its proper divisors (6835).

11464289 is an equidigital number, since it uses as much as digits as its factorization.

11464289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834.

The product of its digits is 13824, while the sum is 35.

The square root of 11464289 is about 3385.8955979179. The cubic root of 11464289 is about 225.4839886174.

It can be divided in two parts, 1146 and 4289, that multiplied together give a palindrome (4915194).

The spelling of 11464289 in words is "eleven million, four hundred sixty-four thousand, two hundred eighty-nine".