26531928 has 32 divisors (see below), whose sum is σ = 73700400. Its totient is φ = 8843904.

The previous prime is 26531899. The next prime is 26531941. The reversal of 26531928 is 82913562.

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

It is a junction number, because it is equal to n+sod(n) for n = 26531892 and 26531901.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 61201 + ... + 61632.

Almost surely, 2^26531928 is an apocalyptic number.

It is an amenable number.

26531928 is an abundant number, since it is smaller than the sum of its proper divisors (47168472).

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

26531928 is a wasteful number, since it uses less digits than its factorization.

26531928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122848 (or 122838 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 26531928 is about 5150.9152584759. The cubic root of 26531928 is about 298.2562844905.

The spelling of 26531928 in words is "twenty-six million, five hundred thirty-one thousand, nine hundred twenty-eight".