5266989 has 48 divisors (see below), whose sum is σ = 9609600. Its totient is φ = 2706048.

The previous prime is 5266979. The next prime is 5266997. The reversal of 5266989 is 9896625.

It is not a de Polignac number, because 5266989 - 2¹⁷ = 5135917 is a prime.

It is a super-2 number, since 2×5266989² = 55482346252242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48267 + ... + 48375.

It is an arithmetic number, because the mean of its divisors is an integer number (200200).

Almost surely, 2^5266989 is an apocalyptic number.

5266989 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5266989 is a deficient number, since it is larger than the sum of its proper divisors (4342611).

5266989 is a wasteful number, since it uses less digits than its factorization.

5266989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 191 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 5266989 is about 2294.9921568493. The cubic root of 5266989 is about 173.9886040892.

The spelling of 5266989 in words is "five million, two hundred sixty-six thousand, nine hundred eighty-nine".