28983873 has 8 divisors (see below), whose sum is σ = 40679200. Its totient is φ = 18305568.

The previous prime is 28983821. The next prime is 28983883. The reversal of 28983873 is 37838982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28983873 - 2¹⁴ = 28967489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28983883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254188 + ... + 254301.

It is an arithmetic number, because the mean of its divisors is an integer number (5084900).

Almost surely, 2^28983873 is an apocalyptic number.

It is an amenable number.

28983873 is a deficient number, since it is larger than the sum of its proper divisors (11695327).

28983873 is a wasteful number, since it uses less digits than its factorization.

28983873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508511.

The product of its digits is 580608, while the sum is 48.

The square root of 28983873 is about 5383.6672445462. The cubic root of 28983873 is about 307.1747211424.

The spelling of 28983873 in words is "twenty-eight million, nine hundred eighty-three thousand, eight hundred seventy-three".