26287146 has 32 divisors (see below), whose sum is σ = 61492800. Its totient is φ = 8300880.

The previous prime is 26287141. The next prime is 26287159. The reversal of 26287146 is 64178262.

It is a self number, because there is not a number n which added to its sum of digits gives 26287146.

It is not an unprimeable number, because it can be changed into a prime (26287141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (1921650).

Almost surely, 2^26287146 is an apocalyptic number.

26287146 is an abundant number, since it is smaller than the sum of its proper divisors (35205654).

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

26287146 is a wasteful number, since it uses less digits than its factorization.

26287146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651 (or 25645 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26287146 is about 5127.0991798482. The cubic root of 26287146 is about 297.3362175491.

The spelling of 26287146 in words is "twenty-six million, two hundred eighty-seven thousand, one hundred forty-six".