28850472 has 64 divisors (see below), whose sum is σ = 91593600. Its totient is φ = 8242560.

The previous prime is 28850467. The next prime is 28850483. The reversal of 28850472 is 27405882.

It is a happy number.

28850472 is a `hidden beast` number, since 2 + 88 + 504 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (1431150).

Almost surely, 2^28850472 is an apocalyptic number.

It is an amenable number.

28850472 is an abundant number, since it is smaller than the sum of its proper divisors (62743128).

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

28850472 is a wasteful number, since it uses less digits than its factorization.

28850472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19103 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 28850472 is about 5371.2635384982. The cubic root of 28850472 is about 306.7027294284.

The spelling of 28850472 in words is "twenty-eight million, eight hundred fifty thousand, four hundred seventy-two".