26648261 has 8 divisors (see below), whose sum is σ = 27392640. Its totient is φ = 25909632.

The previous prime is 26648233. The next prime is 26648273. The reversal of 26648261 is 16284662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26648261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26648221) 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, 8981 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (3424080).

Almost surely, 2^26648261 is an apocalyptic number.

It is an amenable number.

26648261 is a deficient number, since it is larger than the sum of its proper divisors (744379).

26648261 is a wasteful number, since it uses less digits than its factorization.

26648261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875.

The product of its digits is 27648, while the sum is 35.

The square root of 26648261 is about 5162.1953663146. The cubic root of 26648261 is about 298.6915645820.

The spelling of 26648261 in words is "twenty-six million, six hundred forty-eight thousand, two hundred sixty-one".