28930782 has 8 divisors (see below), whose sum is σ = 57861576. Its totient is φ = 9643592.

The previous prime is 28930771. The next prime is 28930793. The reversal of 28930782 is 28703982.

It is an interprime number because it is at equal distance from previous prime (28930771) and next prime (28930793).

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

28930782 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28930782.

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, 2410893 + ... + 2410904.

It is an arithmetic number, because the mean of its divisors is an integer number (7232697).

Almost surely, 2^28930782 is an apocalyptic number.

28930782 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.

28930782 is a wasteful number, since it uses less digits than its factorization.

28930782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821802.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 28930782 is about 5378.7342377180. The cubic root of 28930782 is about 306.9870514827.

The spelling of 28930782 in words is "twenty-eight million, nine hundred thirty thousand, seven hundred eighty-two".