28912083 has 8 divisors (see below), whose sum is σ = 39277008. Its totient is φ = 18910944.

The previous prime is 28912049. The next prime is 28912099. The reversal of 28912083 is 38021982.

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

It is not a de Polignac number, because 28912083 - 2¹⁰ = 28911059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28912283) 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, 90760 + ... + 91077.

It is an arithmetic number, because the mean of its divisors is an integer number (4909626).

Almost surely, 2^28912083 is an apocalyptic number.

28912083 is a deficient number, since it is larger than the sum of its proper divisors (10364925).

28912083 is a wasteful number, since it uses less digits than its factorization.

28912083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181893.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 28912083 is about 5376.9957225202. The cubic root of 28912083 is about 306.9208983216.

The spelling of 28912083 in words is "twenty-eight million, nine hundred twelve thousand, eighty-three".