28584452 has 12 divisors (see below), whose sum is σ = 53870796. Its totient is φ = 13192800.

The previous prime is 28584443. The next prime is 28584473. The reversal of 28584452 is 25448582.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 25542916 = 1744^2 + 5054^2 .

It is a super-2 number, since 2×28584452² = 1634141792280608, which contains 22 as substring.

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, 274799 + ... + 274902.

It is an arithmetic number, because the mean of its divisors is an integer number (4489233).

Almost surely, 2^28584452 is an apocalyptic number.

It is an amenable number.

28584452 is a deficient number, since it is larger than the sum of its proper divisors (25286344).

28584452 is a wasteful number, since it uses less digits than its factorization.

28584452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549718 (or 549716 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 28584452 is about 5346.4429296496. The cubic root of 28584452 is about 305.7571513622.

The spelling of 28584452 in words is "twenty-eight million, five hundred eighty-four thousand, four hundred fifty-two".