28920483 has 30 divisors (see below), whose sum is σ = 44455884. Its totient is φ = 18732384.

The previous prime is 28920473. The next prime is 28920487. The reversal of 28920483 is 38402982.

It is not a de Polignac number, because 28920483 - 2¹² = 28916387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28920487) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 396135 + ... + 396207.

Almost surely, 2^28920483 is an apocalyptic number.

28920483 is a deficient number, since it is larger than the sum of its proper divisors (15535401).

28920483 is an frugal number, since it uses more digits than its factorization.

28920483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 28920483 is about 5377.7767711202. The cubic root of 28920483 is about 306.9506192968.

It can be divided in two parts, 28920 and 483, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 28920483 in words is "twenty-eight million, nine hundred twenty thousand, four hundred eighty-three".