28530796 has 12 divisors (see below), whose sum is σ = 57061648. Its totient is φ = 12227472.

The previous prime is 28530791. The next prime is 28530797. The reversal of 28530796 is 69703582.

28530796 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28530791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509451 + ... + 509506.

Almost surely, 2^28530796 is an apocalyptic number.

It is an amenable number.

28530796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28530796 is a wasteful number, since it uses less digits than its factorization.

28530796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018968 (or 1018966 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28530796 is about 5341.4226569333. The cubic root of 28530796 is about 305.5657188367.

The spelling of 28530796 in words is "twenty-eight million, five hundred thirty thousand, seven hundred ninety-six".