26681894 has 4 divisors (see below), whose sum is σ = 40022844. Its totient is φ = 13340946.

The previous prime is 26681881. The next prime is 26681903. The reversal of 26681894 is 49818662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6670472 + ... + 6670475.

It is an arithmetic number, because the mean of its divisors is an integer number (10005711).

Almost surely, 2^26681894 is an apocalyptic number.

26681894 is a deficient number, since it is larger than the sum of its proper divisors (13340950).

26681894 is a wasteful number, since it uses less digits than its factorization.

26681894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340949.

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

The square root of 26681894 is about 5165.4519647365. The cubic root of 26681894 is about 298.8171721531.

The spelling of 26681894 in words is "twenty-six million, six hundred eighty-one thousand, eight hundred ninety-four".