2264389 has 4 divisors (see below), whose sum is σ = 2319660. Its totient is φ = 2209120.

The previous prime is 2264359. The next prime is 2264393. The reversal of 2264389 is 9834622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1361889 + 902500 = 1167^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2264389 - 2⁵ = 2264357 is a prime.

It is a Duffinian number.

2264389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2264309) 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, 27574 + ... + 27655.

It is an arithmetic number, because the mean of its divisors is an integer number (579915).

2^2264389 is an apocalyptic number.

It is an amenable number.

2264389 is a deficient number, since it is larger than the sum of its proper divisors (55271).

2264389 is an equidigital number, since it uses as much as digits as its factorization.

2264389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55270.

The product of its digits is 20736, while the sum is 34.

The square root of 2264389 is about 1504.7886894843. The cubic root of 2264389 is about 131.3158085703.

The spelling of 2264389 in words is "two million, two hundred sixty-four thousand, three hundred eighty-nine".