26198000 has 40 divisors (see below), whose sum is σ = 63351600. Its totient is φ = 10478400.

The previous prime is 26197993. The next prime is 26198027. The reversal of 26198000 is 89162.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4550 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (1583790).

Almost surely, 2^26198000 is an apocalyptic number.

26198000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26198000 is an abundant number, since it is smaller than the sum of its proper divisors (37153600).

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

26198000 is a wasteful number, since it uses less digits than its factorization.

26198000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122 (or 13106 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 26198000 is about 5118.3981869331. The cubic root of 26198000 is about 296.9997241398. Note that the first 3 decimals are identical.

The spelling of 26198000 in words is "twenty-six million, one hundred ninety-eight thousand".