26890038 has 48 divisors (see below), whose sum is σ = 67275936. Its totient is φ = 7603200.

The previous prime is 26890021. The next prime is 26890069. The reversal of 26890038 is 83009862.

It is a junction number, because it is equal to n+sod(n) for n = 26889984 and 26890011.

It is a congruent number.

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, 11670 + ... + 13782.

It is an arithmetic number, because the mean of its divisors is an integer number (1401582).

Almost surely, 2^26890038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26890038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33637968).

26890038 is an abundant number, since it is smaller than the sum of its proper divisors (40385898).

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

26890038 is a wasteful number, since it uses less digits than its factorization.

26890038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2226 counting only the distinct ones).

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

The square root of 26890038 is about 5185.5605290074. The cubic root of 26890038 is about 299.5921791918.

The spelling of 26890038 in words is "twenty-six million, eight hundred ninety thousand, thirty-eight".