28258083 has 24 divisors (see below), whose sum is σ = 47120736. Its totient is φ = 15984000.

The previous prime is 28258057. The next prime is 28258129. The reversal of 28258083 is 38085282.

It is not a de Polignac number, because 28258083 - 2⁵ = 28258051 is a prime.

It is a super-3 number, since 3×28258083³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28258033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4143 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (1963364).

Almost surely, 2^28258083 is an apocalyptic number.

28258083 is a deficient number, since it is larger than the sum of its proper divisors (18862653).

28258083 is a wasteful number, since it uses less digits than its factorization.

28258083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 28258083 is about 5315.8332366620. The cubic root of 28258083 is about 304.5890119706.

The spelling of 28258083 in words is "twenty-eight million, two hundred fifty-eight thousand, eighty-three".