26809038 has 48 divisors (see below), whose sum is σ = 62599680. Its totient is φ = 8264592.

The previous prime is 26809033. The next prime is 26809061. The reversal of 26809038 is 83090862.

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

It is a junction number, because it is equal to n+sod(n) for n = 26808993 and 26809011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26809033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13795 + ... + 15617.

It is an arithmetic number, because the mean of its divisors is an integer number (1304160).

Almost surely, 2^26809038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26809038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31299840).

26809038 is an abundant number, since it is smaller than the sum of its proper divisors (35790642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26809038 is a wasteful number, since it uses less digits than its factorization.

26809038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26809038 is about 5177.7444896403. The cubic root of 26809038 is about 299.2910593301.

The spelling of 26809038 in words is "twenty-six million, eight hundred nine thousand, thirty-eight".