26814021 has 32 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 15601344.

The previous prime is 26814013. The next prime is 26814031. The reversal of 26814021 is 12041862.

It is not a de Polignac number, because 26814021 - 2³ = 26814013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26813982 and 26814000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26814031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149710 + ... + 149888.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^26814021 is an apocalyptic number.

It is an amenable number.

26814021 is a deficient number, since it is larger than the sum of its proper divisors (13828539).

26814021 is a wasteful number, since it uses less digits than its factorization.

26814021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 26814021 is about 5178.2256613632. The cubic root of 26814021 is about 299.3096012730.

Adding to 26814021 its reverse (12041862), we get a palindrome (38855883).

The spelling of 26814021 in words is "twenty-six million, eight hundred fourteen thousand, twenty-one".