26289432 has 48 divisors (see below), whose sum is σ = 76680240. Its totient is φ = 8088768.

The previous prime is 26289427. The next prime is 26289433. The reversal of 26289432 is 23498262.

It is a super-2 number, since 2×26289432² = 1382268469765248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26289433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13108 + ... + 14979.

It is an arithmetic number, because the mean of its divisors is an integer number (1597505).

Almost surely, 2^26289432 is an apocalyptic number.

It is an amenable number.

26289432 is an abundant number, since it is smaller than the sum of its proper divisors (50390808).

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

26289432 is a wasteful number, since it uses less digits than its factorization.

26289432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112 (or 28105 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 26289432 is about 5127.3221080794. The cubic root of 26289432 is about 297.3448363482.

The spelling of 26289432 in words is "twenty-six million, two hundred eighty-nine thousand, four hundred thirty-two".