28468503 has 80 divisors (see below), whose sum is σ = 52968960. Its totient is φ = 14883264.

The previous prime is 28468493. The next prime is 28468507. The reversal of 28468503 is 30586482.

It is not a de Polignac number, because 28468503 - 2⁵ = 28468471 is a prime.

It is a super-2 number, since 2×28468503² = 1620911326122018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 482488 + ... + 482546.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

Almost surely, 2^28468503 is an apocalyptic number.

28468503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28468503 is a deficient number, since it is larger than the sum of its proper divisors (24500457).

28468503 is a wasteful number, since it uses less digits than its factorization.

28468503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28468503 is about 5335.5883461901. The cubic root of 28468503 is about 305.3431701297.

The spelling of 28468503 in words is "twenty-eight million, four hundred sixty-eight thousand, five hundred three".