26197146 has 24 divisors (see below), whose sum is σ = 56911764. Its totient is φ = 8709120.

The previous prime is 26197117. The next prime is 26197183. The reversal of 26197146 is 64179162.

It can be written as a sum of positive squares in 2 ways, for example, as 15563025 + 10634121 = 3945^2 + 3261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26197146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5850 + ... + 9306.

Almost surely, 2^26197146 is an apocalyptic number.

26197146 is an abundant number, since it is smaller than the sum of its proper divisors (30714618).

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

26197146 is a wasteful number, since it uses less digits than its factorization.

26197146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886 (or 3883 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 26197146 is about 5118.3147617160. The cubic root of 26197146 is about 296.9964969148.

The spelling of 26197146 in words is "twenty-six million, one hundred ninety-seven thousand, one hundred forty-six".