26652889 has 8 divisors (see below), whose sum is σ = 28316520. Its totient is φ = 24999936.

The previous prime is 26652869. The next prime is 26652917. The reversal of 26652889 is 98825662.

It can be written as a sum of positive squares in 4 ways, for example, as 795664 + 25857225 = 892^2 + 5085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26652889 - 2¹⁹ = 26128601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26652869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (3539565).

Almost surely, 2^26652889 is an apocalyptic number.

It is an amenable number.

26652889 is a deficient number, since it is larger than the sum of its proper divisors (1663631).

26652889 is a wasteful number, since it uses less digits than its factorization.

26652889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339.

The product of its digits is 414720, while the sum is 46.

The square root of 26652889 is about 5162.6436057508. The cubic root of 26652889 is about 298.7088548227.

The spelling of 26652889 in words is "twenty-six million, six hundred fifty-two thousand, eight hundred eighty-nine".