28273383 has 6 divisors (see below), whose sum is σ = 40839344. Its totient is φ = 18848916.

The previous prime is 28273373. The next prime is 28273409. The reversal of 28273383 is 38337282.

28273383 is a `hidden beast` number, since 2 + 8 + 273 + 383 = 666.

It is not a de Polignac number, because 28273383 - 2⁵ = 28273351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28273373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1570735 + ... + 1570752.

Almost surely, 2^28273383 is an apocalyptic number.

28273383 is a deficient number, since it is larger than the sum of its proper divisors (12565961).

28273383 is a wasteful number, since it uses less digits than its factorization.

28273383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141493 (or 3141490 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 28273383 is about 5317.2721389825. The cubic root of 28273383 is about 304.6439740743.

The spelling of 28273383 in words is "twenty-eight million, two hundred seventy-three thousand, three hundred eighty-three".