26966621 has 12 divisors (see below), whose sum is σ = 30409632. Its totient is φ = 23715000.

The previous prime is 26966593. The next prime is 26966623. The reversal of 26966621 is 12666962.

It is a de Polignac number, because none of the positive numbers 2^k-26966621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26966623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9296 + ... + 11846.

It is an arithmetic number, because the mean of its divisors is an integer number (2534136).

Almost surely, 2^26966621 is an apocalyptic number.

It is an amenable number.

26966621 is a deficient number, since it is larger than the sum of its proper divisors (3443011).

26966621 is a wasteful number, since it uses less digits than its factorization.

26966621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2593 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 26966621 is about 5192.9395336360. The cubic root of 26966621 is about 299.8763230945.

The spelling of 26966621 in words is "twenty-six million, nine hundred sixty-six thousand, six hundred twenty-one".