26881436 has 12 divisors (see below), whose sum is σ = 47162640. Its totient is φ = 13406400.

The previous prime is 26881417. The next prime is 26881469. The reversal of 26881436 is 63418862.

It is a happy number.

It is a super-2 number, since 2×26881436² = 1445223202844192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26881436.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6776 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (3930220).

Almost surely, 2^26881436 is an apocalyptic number.

It is an amenable number.

26881436 is a deficient number, since it is larger than the sum of its proper divisors (20281204).

26881436 is a wasteful number, since it uses less digits than its factorization.

26881436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17164 (or 17162 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 26881436 is about 5184.7310441333. The cubic root of 26881436 is about 299.5602297294.

The spelling of 26881436 in words is "twenty-six million, eight hundred eighty-one thousand, four hundred thirty-six".