26248669 has 4 divisors (see below), whose sum is σ = 26305344. Its totient is φ = 26191996.

The previous prime is 26248637. The next prime is 26248679. The reversal of 26248669 is 96684262.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96684262 = 2 ⋅48342131.

It is a cyclic number.

It is not a de Polignac number, because 26248669 - 2⁵ = 26248637 is a prime.

It is a super-2 number, since 2×26248669² = 1377985248543122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26248609) 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, 27637 + ... + 28570.

It is an arithmetic number, because the mean of its divisors is an integer number (6576336).

Almost surely, 2^26248669 is an apocalyptic number.

It is an amenable number.

26248669 is a deficient number, since it is larger than the sum of its proper divisors (56675).

26248669 is an equidigital number, since it uses as much as digits as its factorization.

26248669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56674.

The product of its digits is 248832, while the sum is 43.

The square root of 26248669 is about 5123.3454890335. The cubic root of 26248669 is about 297.1910744675.

The spelling of 26248669 in words is "twenty-six million, two hundred forty-eight thousand, six hundred sixty-nine".