26830849 has 4 divisors (see below), whose sum is σ = 27170560. Its totient is φ = 26491140.

The previous prime is 26830823. The next prime is 26830861. The reversal of 26830849 is 94803862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94803862 = 2 ⋅47401931.

It is a cyclic number.

It is not a de Polignac number, because 26830849 - 2²¹ = 24733697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26830819) 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, 169737 + ... + 169894.

It is an arithmetic number, because the mean of its divisors is an integer number (6792640).

Almost surely, 2^26830849 is an apocalyptic number.

It is an amenable number.

26830849 is a deficient number, since it is larger than the sum of its proper divisors (339711).

26830849 is an equidigital number, since it uses as much as digits as its factorization.

26830849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339710.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 26830849 is about 5179.8502874118. The cubic root of 26830849 is about 299.3722019633.

The spelling of 26830849 in words is "twenty-six million, eight hundred thirty thousand, eight hundred forty-nine".