28926693 has 8 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 19284444.

The previous prime is 28926679. The next prime is 28926713. The reversal of 28926693 is 39662982.

It is not a de Polignac number, because 28926693 - 2⁶ = 28926629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28926613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535653 + ... + 535706.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^28926693 is an apocalyptic number.

It is an amenable number.

28926693 is a deficient number, since it is larger than the sum of its proper divisors (13927707).

28926693 is a wasteful number, since it uses less digits than its factorization.

28926693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071368 (or 1071362 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 28926693 is about 5378.3541162701. The cubic root of 28926693 is about 306.9725878894.

The spelling of 28926693 in words is "twenty-eight million, nine hundred twenty-six thousand, six hundred ninety-three".