2624289 has 4 divisors (see below), whose sum is σ = 3499056. Its totient is φ = 1749524.

The previous prime is 2624269. The next prime is 2624291. The reversal of 2624289 is 9824262.

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 2624289 - 2⁵ = 2624257 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6⁴ + 2¹⁹ + 4⁵ + 2²¹ + 8 + 9 .

It is a D-number.

2624289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2624269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437379 + ... + 437384.

It is an arithmetic number, because the mean of its divisors is an integer number (874764).

2^2624289 is an apocalyptic number.

It is an amenable number.

2624289 is a deficient number, since it is larger than the sum of its proper divisors (874767).

2624289 is an equidigital number, since it uses as much as digits as its factorization.

2624289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874766.

The product of its digits is 13824, while the sum is 33.

The square root of 2624289 is about 1619.9657403785. The cubic root of 2624289 is about 137.9337531224.

The spelling of 2624289 in words is "two million, six hundred twenty-four thousand, two hundred eighty-nine".