28865483 has 4 divisors (see below), whose sum is σ = 30120528. Its totient is φ = 27610440.

The previous prime is 28865479. The next prime is 28865519. The reversal of 28865483 is 38456882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38456882 = 2 ⋅19228441.

It is a cyclic number.

It is not a de Polignac number, because 28865483 - 2² = 28865479 is a prime.

It is a super-2 number, since 2×28865483² = 1666432217646578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28865423) 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, 627488 + ... + 627533.

It is an arithmetic number, because the mean of its divisors is an integer number (7530132).

Almost surely, 2^28865483 is an apocalyptic number.

28865483 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28865483 is a deficient number, since it is larger than the sum of its proper divisors (1255045).

28865483 is a wasteful number, since it uses less digits than its factorization.

28865483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255044.

The product of its digits is 368640, while the sum is 44.

The square root of 28865483 is about 5372.6607002490. The cubic root of 28865483 is about 306.7559130346.

The spelling of 28865483 in words is "twenty-eight million, eight hundred sixty-five thousand, four hundred eighty-three".