28773952 has 28 divisors (see below), whose sum is σ = 58944256. Its totient is φ = 13921920.

The previous prime is 28773949. The next prime is 28773971. The reversal of 28773952 is 25937782.

It is a junction number, because it is equal to n+sod(n) for n = 28773899 and 28773908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5268 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (2105152).

Almost surely, 2^28773952 is an apocalyptic number.

It is an amenable number.

28773952 is an abundant number, since it is smaller than the sum of its proper divisors (30170304).

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

28773952 is a wasteful number, since it uses less digits than its factorization.

28773952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546 (or 14536 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 28773952 is about 5364.1357178953. The cubic root of 28773952 is about 306.4313338420.

The spelling of 28773952 in words is "twenty-eight million, seven hundred seventy-three thousand, nine hundred fifty-two".