26197908 has 24 divisors (see below), whose sum is σ = 66685920. Its totient is φ = 7938720.

The previous prime is 26197861. The next prime is 26197921. The reversal of 26197908 is 80979162.

It is a self number, because there is not a number n which added to its sum of digits gives 26197908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99103 + ... + 99366.

It is an arithmetic number, because the mean of its divisors is an integer number (2778580).

Almost surely, 2^26197908 is an apocalyptic number.

It is an amenable number.

26197908 is an abundant number, since it is smaller than the sum of its proper divisors (40488012).

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

26197908 is a wasteful number, since it uses less digits than its factorization.

26197908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198487 (or 198485 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 26197908 is about 5118.3891997385. The cubic root of 26197908 is about 296.9993764795. Note that the first 3 decimals are identical.

The spelling of 26197908 in words is "twenty-six million, one hundred ninety-seven thousand, nine hundred eight".