26198867 has 6 divisors (see below), whose sum is σ = 26525292. Its totient is φ = 25876412.

The previous prime is 26198857. The next prime is 26198873. The reversal of 26198867 is 76889162.

It is not a de Polignac number, because 26198867 - 2⁸ = 26198611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26198807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4988 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (4420882).

Almost surely, 2^26198867 is an apocalyptic number.

26198867 is a deficient number, since it is larger than the sum of its proper divisors (326425).

26198867 is an frugal number, since it uses more digits than its factorization.

26198867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3886 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 26198867 is about 5118.4828806981. The cubic root of 26198867 is about 297.0030004194.

The spelling of 26198867 in words is "twenty-six million, one hundred ninety-eight thousand, eight hundred sixty-seven".