26950389 has 16 divisors (see below), whose sum is σ = 38190528. Its totient is φ = 16846592.

The previous prime is 26950381. The next prime is 26950403. The reversal of 26950389 is 98305962.

It is not a de Polignac number, because 26950389 - 2³ = 26950381 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26950389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26950381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15334 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (2386908).

Almost surely, 2^26950389 is an apocalyptic number.

It is an amenable number.

26950389 is a deficient number, since it is larger than the sum of its proper divisors (11240139).

26950389 is a wasteful number, since it uses less digits than its factorization.

26950389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 26950389 is about 5191.3764070813. The cubic root of 26950389 is about 299.8161429005.

The spelling of 26950389 in words is "twenty-six million, nine hundred fifty thousand, three hundred eighty-nine".