26490667 has 4 divisors (see below), whose sum is σ = 30275056. Its totient is φ = 22706280.

The previous prime is 26490649. The next prime is 26490677. The reversal of 26490667 is 76609462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26490667 - 2¹¹ = 26488619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26490677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892184 + ... + 1892197.

It is an arithmetic number, because the mean of its divisors is an integer number (7568764).

Almost surely, 2^26490667 is an apocalyptic number.

26490667 is a deficient number, since it is larger than the sum of its proper divisors (3784389).

26490667 is an equidigital number, since it uses as much as digits as its factorization.

26490667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784388.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 26490667 is about 5146.9084895692. The cubic root of 26490667 is about 298.1015936660.

The spelling of 26490667 in words is "twenty-six million, four hundred ninety thousand, six hundred sixty-seven".