26330381 has 8 divisors (see below), whose sum is σ = 32827584. Its totient is φ = 20517120.

The previous prime is 26330351. The next prime is 26330393. The reversal of 26330381 is 18303362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26330381 is a prime.

It is a super-2 number, since 2×26330381² = 1386577927210322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26330381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26330321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170900 + ... + 171053.

It is an arithmetic number, because the mean of its divisors is an integer number (4103448).

Almost surely, 2^26330381 is an apocalyptic number.

It is an amenable number.

26330381 is a deficient number, since it is larger than the sum of its proper divisors (6497203).

26330381 is a wasteful number, since it uses less digits than its factorization.

26330381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341971.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26330381 is about 5131.3137693967. The cubic root of 26330381 is about 297.4991398888.

The spelling of 26330381 in words is "twenty-six million, three hundred thirty thousand, three hundred eighty-one".