28354463 has 4 divisors (see below), whose sum is σ = 28366488. Its totient is φ = 28342440.

The previous prime is 28354457. The next prime is 28354499. The reversal of 28354463 is 36445382.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28354463 - 2⁶ = 28354399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28354433) 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, 1181 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (7091622).

Almost surely, 2^28354463 is an apocalyptic number.

28354463 is a deficient number, since it is larger than the sum of its proper divisors (12025).

28354463 is an equidigital number, since it uses as much as digits as its factorization.

28354463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024.

The product of its digits is 69120, while the sum is 35.

The square root of 28354463 is about 5324.8908909010. The cubic root of 28354463 is about 304.9349068290.

The spelling of 28354463 in words is "twenty-eight million, three hundred fifty-four thousand, four hundred sixty-three".