26198694 has 16 divisors (see below), whose sum is σ = 58219440. Its totient is φ = 8732880.

The previous prime is 26198681. The next prime is 26198699. The reversal of 26198694 is 49689162.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26198699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242527 + ... + 242634.

It is an arithmetic number, because the mean of its divisors is an integer number (3638715).

Almost surely, 2^26198694 is an apocalyptic number.

26198694 is an abundant number, since it is smaller than the sum of its proper divisors (32020746).

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

26198694 is a wasteful number, since it uses less digits than its factorization.

26198694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485172 (or 485166 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 26198694 is about 5118.4659811315. The cubic root of 26198694 is about 297.0023466808.

The spelling of 26198694 in words is "twenty-six million, one hundred ninety-eight thousand, six hundred ninety-four".