26193798 has 12 divisors (see below), whose sum is σ = 56753268. Its totient is φ = 8731260.

The previous prime is 26193779. The next prime is 26193829. The reversal of 26193798 is 89739162.

It is a super-2 number, since 2×26193798² = 1372230107329608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 727588 + ... + 727623.

It is an arithmetic number, because the mean of its divisors is an integer number (4729439).

Almost surely, 2^26193798 is an apocalyptic number.

26193798 is an abundant number, since it is smaller than the sum of its proper divisors (30559470).

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

26193798 is a wasteful number, since it uses less digits than its factorization.

26193798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455219 (or 1455216 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 26193798 is about 5117.9876904893. The cubic root of 26193798 is about 296.9838443071.

The spelling of 26193798 in words is "twenty-six million, one hundred ninety-three thousand, seven hundred ninety-eight".