26890193 has 16 divisors (see below), whose sum is σ = 30041280. Its totient is φ = 24064480.

The previous prime is 26890183. The next prime is 26890211. The reversal of 26890193 is 39109862.

It is not a de Polignac number, because 26890193 - 2²⁰ = 25841617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26890153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118346 + ... + 118572.

It is an arithmetic number, because the mean of its divisors is an integer number (1877580).

Almost surely, 2^26890193 is an apocalyptic number.

It is an amenable number.

26890193 is a deficient number, since it is larger than the sum of its proper divisors (3151087).

26890193 is an equidigital number, since it uses as much as digits as its factorization.

26890193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 26890193 is about 5185.5754743326. The cubic root of 26890193 is about 299.5927548288.

The spelling of 26890193 in words is "twenty-six million, eight hundred ninety thousand, one hundred ninety-three".