26890141 has 8 divisors (see below), whose sum is σ = 28526904. Its totient is φ = 25259520.

The previous prime is 26890121. The next prime is 26890147. The reversal of 26890141 is 14109862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3648100 + 23242041 = 1910^2 + 4821^2 .

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 26890141 - 2²³ = 18501533 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 (26890147) 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, 10041 + ... + 12433.

It is an arithmetic number, because the mean of its divisors is an integer number (3565863).

Almost surely, 2^26890141 is an apocalyptic number.

It is an amenable number.

26890141 is a deficient number, since it is larger than the sum of its proper divisors (1636763).

26890141 is a wasteful number, since it uses less digits than its factorization.

26890141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 26890141 is about 5185.5704604219. The cubic root of 26890141 is about 299.5925617121.

It can be divided in two parts, 268 and 90141, that added together give a palindrome (90409).

The spelling of 26890141 in words is "twenty-six million, eight hundred ninety thousand, one hundred forty-one".