26190493 has 16 divisors (see below), whose sum is σ = 31703040. Its totient is φ = 21135600.

The previous prime is 26190481. The next prime is 26190499. The reversal of 26190493 is 39409162.

It is not a de Polignac number, because 26190493 - 2⁹ = 26189981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26190499) 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, 24888 + ... + 25918.

It is an arithmetic number, because the mean of its divisors is an integer number (1981440).

Almost surely, 2^26190493 is an apocalyptic number.

It is an amenable number.

26190493 is a deficient number, since it is larger than the sum of its proper divisors (5512547).

26190493 is a wasteful number, since it uses less digits than its factorization.

26190493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 26190493 is about 5117.6647994960. The cubic root of 26190493 is about 296.9713531455.

The spelling of 26190493 in words is "twenty-six million, one hundred ninety thousand, four hundred ninety-three".