26978241 has 8 divisors (see below), whose sum is σ = 37535040. Its totient is φ = 17203472.

The previous prime is 26978213. The next prime is 26978251. The reversal of 26978241 is 14287962.

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 26978241 - 2⁹ = 26977729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26978241.

It is not an unprimeable number, because it can be changed into a prime (26978251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195426 + ... + 195563.

It is an arithmetic number, because the mean of its divisors is an integer number (4691880).

Almost surely, 2^26978241 is an apocalyptic number.

It is an amenable number.

26978241 is a deficient number, since it is larger than the sum of its proper divisors (10556799).

26978241 is a wasteful number, since it uses less digits than its factorization.

26978241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391015.

The product of its digits is 48384, while the sum is 39.

The square root of 26978241 is about 5194.0582399507. The cubic root of 26978241 is about 299.9193894529.

The spelling of 26978241 in words is "twenty-six million, nine hundred seventy-eight thousand, two hundred forty-one".