28263926 has 8 divisors (see below), whose sum is σ = 42449520. Its totient is φ = 14114088.

The previous prime is 28263881. The next prime is 28263931. The reversal of 28263926 is 62936282.

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

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 28263926.

It is a congruent number.

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, 6866 + ... + 10181.

It is an arithmetic number, because the mean of its divisors is an integer number (5306190).

Almost surely, 2^28263926 is an apocalyptic number.

28263926 is a deficient number, since it is larger than the sum of its proper divisors (14185594).

28263926 is a wasteful number, since it uses less digits than its factorization.

28263926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17878.

The product of its digits is 62208, while the sum is 38.

The square root of 28263926 is about 5316.3827928395. The cubic root of 28263926 is about 304.6100040876.

The spelling of 28263926 in words is "twenty-eight million, two hundred sixty-three thousand, nine hundred twenty-six".