26949487 has 8 divisors (see below), whose sum is σ = 27307280. Its totient is φ = 26593920.

The previous prime is 26949469. The next prime is 26949499. The reversal of 26949487 is 78494962.

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 26949487 - 2¹⁹ = 26425199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26949487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26949427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46912 + ... + 47482.

It is an arithmetic number, because the mean of its divisors is an integer number (3413410).

Almost surely, 2^26949487 is an apocalyptic number.

26949487 is a deficient number, since it is larger than the sum of its proper divisors (357793).

26949487 is a wasteful number, since it uses less digits than its factorization.

26949487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its digits is 870912, while the sum is 49.

The square root of 26949487 is about 5191.2895315133. The cubic root of 26949487 is about 299.8127980238.

The spelling of 26949487 in words is "twenty-six million, nine hundred forty-nine thousand, four hundred eighty-seven".