26990441 has 4 divisors (see below), whose sum is σ = 28578132. Its totient is φ = 25402752.

The previous prime is 26990413. The next prime is 26990459. The reversal of 26990441 is 14409962.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 14600041 = 3520^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 26990441 - 2⁶ = 26990377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26990641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793820 + ... + 793853.

It is an arithmetic number, because the mean of its divisors is an integer number (7144533).

Almost surely, 2^26990441 is an apocalyptic number.

It is an amenable number.

26990441 is a deficient number, since it is larger than the sum of its proper divisors (1587691).

26990441 is a wasteful number, since it uses less digits than its factorization.

26990441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587690.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 26990441 is about 5195.2325260762. The cubic root of 26990441 is about 299.9645921174.

The spelling of 26990441 in words is "twenty-six million, nine hundred ninety thousand, four hundred forty-one".