26505949 has 8 divisors (see below), whose sum is σ = 27296768. Its totient is φ = 25719120.

The previous prime is 26505943. The next prime is 26505953. The reversal of 26505949 is 94950562.

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-26505949 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 (26505943) 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, 17284 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (3412096).

Almost surely, 2^26505949 is an apocalyptic number.

It is an amenable number.

26505949 is a deficient number, since it is larger than the sum of its proper divisors (790819).

26505949 is a wasteful number, since it uses less digits than its factorization.

26505949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 26505949 is about 5148.3928560280. The cubic root of 26505949 is about 298.1589058358.

The spelling of 26505949 in words is "twenty-six million, five hundred five thousand, nine hundred forty-nine".