28004483 has 6 divisors (see below), whose sum is σ = 30324564. Its totient is φ = 25850136.

The previous prime is 28004477. The next prime is 28004489. The reversal of 28004483 is 38440082.

It is an interprime number because it is at equal distance from previous prime (28004477) and next prime (28004489).

It is not a de Polignac number, because 28004483 - 2⁶ = 28004419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28004489) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 82685 + ... + 83022.

It is an arithmetic number, because the mean of its divisors is an integer number (5054094).

Almost surely, 2^28004483 is an apocalyptic number.

28004483 is a deficient number, since it is larger than the sum of its proper divisors (2320081).

28004483 is a wasteful number, since it uses less digits than its factorization.

28004483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165733 (or 165720 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28004483 is about 5291.9262088582. The cubic root of 28004483 is about 303.6751023089.

The spelling of 28004483 in words is "twenty-eight million, four thousand, four hundred eighty-three".