28258483 has 4 divisors (see below), whose sum is σ = 30827448. Its totient is φ = 25689520.

The previous prime is 28258469. The next prime is 28258493. The reversal of 28258483 is 38485282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28258483 is a prime.

It is a super-2 number, since 2×28258483² = 1597083722922578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28258423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284466 + ... + 1284487.

It is an arithmetic number, because the mean of its divisors is an integer number (7706862).

Almost surely, 2^28258483 is an apocalyptic number.

28258483 is a deficient number, since it is larger than the sum of its proper divisors (2568965).

28258483 is a wasteful number, since it uses less digits than its factorization.

28258483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568964.

The product of its digits is 122880, while the sum is 40.

The square root of 28258483 is about 5315.8708599815. The cubic root of 28258483 is about 304.5904491409.

The spelling of 28258483 in words is "twenty-eight million, two hundred fifty-eight thousand, four hundred eighty-three".