26813385 has 24 divisors (see below), whose sum is σ = 47613384. Its totient is φ = 13950720.

The previous prime is 26813341. The next prime is 26813441. The reversal of 26813385 is 58331862.

26813385 is a `hidden beast` number, since 268 + 13 + 385 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 26656569 = 396^2 + 5163^2 .

It is not a de Polignac number, because 26813385 - 2⁷ = 26813257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5422 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (1983891).

Almost surely, 2^26813385 is an apocalyptic number.

It is an amenable number.

26813385 is a deficient number, since it is larger than the sum of its proper divisors (20799999).

26813385 is a wasteful number, since it uses less digits than its factorization.

26813385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14585 (or 14582 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 26813385 is about 5178.1642500021. The cubic root of 26813385 is about 299.3072348194.

The spelling of 26813385 in words is "twenty-six million, eight hundred thirteen thousand, three hundred eighty-five".