26389413 has 12 divisors (see below), whose sum is σ = 38246208. Its totient is φ = 17533800.

The previous prime is 26389411. The next prime is 26389417. The reversal of 26389413 is 31498362.

26389413 is a `hidden beast` number, since 2 + 638 + 9 + 4 + 13 = 666.

It is not a de Polignac number, because 26389413 - 2¹ = 26389411 is a prime.

It is a super-2 number, since 2×26389413² = 1392802236969138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26389411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2013 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (3187184).

Almost surely, 2^26389413 is an apocalyptic number.

It is an amenable number.

26389413 is a deficient number, since it is larger than the sum of its proper divisors (11856795).

26389413 is a wasteful number, since it uses less digits than its factorization.

26389413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864 (or 9861 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 26389413 is about 5137.0626821171. The cubic root of 26389413 is about 297.7213022781.

It can be divided in two parts, 263 and 89413, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 26389413 in words is "twenty-six million, three hundred eighty-nine thousand, four hundred thirteen".