26894861 has 24 divisors (see below), whose sum is σ = 33649920. Its totient is φ = 21028896.

The previous prime is 26894851. The next prime is 26894869. The reversal of 26894861 is 16849862.

It is a happy number.

It is not a de Polignac number, because 26894861 - 2¹⁰ = 26893837 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26894869) 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 23 ways as a sum of consecutive naturals, for example, 73100 + ... + 73466.

It is an arithmetic number, because the mean of its divisors is an integer number (1402080).

Almost surely, 2^26894861 is an apocalyptic number.

It is an amenable number.

26894861 is a deficient number, since it is larger than the sum of its proper divisors (6755059).

26894861 is a wasteful number, since it uses less digits than its factorization.

26894861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 422 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 26894861 is about 5186.0255494936. The cubic root of 26894861 is about 299.6100897492.

The spelling of 26894861 in words is "twenty-six million, eight hundred ninety-four thousand, eight hundred sixty-one".