26289028 has 12 divisors (see below), whose sum is σ = 46654272. Its totient is φ = 12959240.

The previous prime is 26289017. The next prime is 26289031. The reversal of 26289028 is 82098262.

It is a super-2 number, since 2×26289028² = 1382225986369568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46000 + ... + 46567.

It is an arithmetic number, because the mean of its divisors is an integer number (3887856).

Almost surely, 2^26289028 is an apocalyptic number.

It is an amenable number.

26289028 is a deficient number, since it is larger than the sum of its proper divisors (20365244).

26289028 is a wasteful number, since it uses less digits than its factorization.

26289028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92642 (or 92640 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 26289028 is about 5127.2827111444. The cubic root of 26289028 is about 297.3433132022.

The spelling of 26289028 in words is "twenty-six million, two hundred eighty-nine thousand, twenty-eight".