26396861 has 8 divisors (see below), whose sum is σ = 26879040. Its totient is φ = 25917408.

The previous prime is 26396849. The next prime is 26396863. The reversal of 26396861 is 16869362.

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

It is a cyclic number.

It is not a de Polignac number, because 26396861 - 2¹⁴ = 26380477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396863) 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, 32225 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (3359880).

Almost surely, 2^26396861 is an apocalyptic number.

It is an amenable number.

26396861 is a deficient number, since it is larger than the sum of its proper divisors (482179).

26396861 is an equidigital number, since it uses as much as digits as its factorization.

26396861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 93312, while the sum is 41.

The square root of 26396861 is about 5137.7875588623. The cubic root of 26396861 is about 297.7493087073.

The spelling of 26396861 in words is "twenty-six million, three hundred ninety-six thousand, eight hundred sixty-one".