26320146 has 32 divisors (see below), whose sum is σ = 53846208. Its totient is φ = 8574720.

The previous prime is 26320117. The next prime is 26320153. The reversal of 26320146 is 64102362.

It is a super-2 number, since 2×26320146² = 1385500170922632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93526 + ... + 93806.

It is an arithmetic number, because the mean of its divisors is an integer number (1682694).

Almost surely, 2^26320146 is an apocalyptic number.

26320146 is an abundant number, since it is smaller than the sum of its proper divisors (27526062).

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

26320146 is a wasteful number, since it uses less digits than its factorization.

26320146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 26320146 is about 5130.3163645140. The cubic root of 26320146 is about 297.4605874866.

The spelling of 26320146 in words is "twenty-six million, three hundred twenty thousand, one hundred forty-six".