26328231 has 6 divisors (see below), whose sum is σ = 38029680. Its totient is φ = 17552148.

The previous prime is 26328217. The next prime is 26328233. The reversal of 26328231 is 13282362.

26328231 is a `hidden beast` number, since 2 + 632 + 8 + 23 + 1 = 666.

It is not a de Polignac number, because 26328231 - 2⁷ = 26328103 is a prime.

It is a super-2 number, since 2×26328231² = 1386351495178722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26328195 and 26328204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26328233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1462671 + ... + 1462688.

It is an arithmetic number, because the mean of its divisors is an integer number (6338280).

Almost surely, 2^26328231 is an apocalyptic number.

26328231 is a deficient number, since it is larger than the sum of its proper divisors (11701449).

26328231 is a wasteful number, since it uses less digits than its factorization.

26328231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925365 (or 2925362 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 26328231 is about 5131.1042671144. The cubic root of 26328231 is about 297.4910422649.

The spelling of 26328231 in words is "twenty-six million, three hundred twenty-eight thousand, two hundred thirty-one".