26823138 has 16 divisors (see below), whose sum is σ = 53714016. Its totient is φ = 8929760.

The previous prime is 26823089. The next prime is 26823151. The reversal of 26823138 is 83132862.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26823099 and 26823108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3373 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (3357126).

Almost surely, 2^26823138 is an apocalyptic number.

26823138 is an abundant number, since it is smaller than the sum of its proper divisors (26890878).

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

26823138 is a wasteful number, since it uses less digits than its factorization.

26823138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649.

The product of its digits is 13824, while the sum is 33.

The square root of 26823138 is about 5179.1059073937. The cubic root of 26823138 is about 299.3435200503.

The spelling of 26823138 in words is "twenty-six million, eight hundred twenty-three thousand, one hundred thirty-eight".