28284452 has 24 divisors (see below), whose sum is σ = 57417024. Its totient is φ = 11940192.

The previous prime is 28284439. The next prime is 28284463. The reversal of 28284452 is 25448282.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5663 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (2392376).

Almost surely, 2^28284452 is an apocalyptic number.

It is an amenable number.

28284452 is an abundant number, since it is smaller than the sum of its proper divisors (29132572).

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

28284452 is a wasteful number, since it uses less digits than its factorization.

28284452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155 (or 15153 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 28284452 is about 5318.3128903817. The cubic root of 28284452 is about 304.6837248202.

The spelling of 28284452 in words is "twenty-eight million, two hundred eighty-four thousand, four hundred fifty-two".