28146603 has 8 divisors (see below), whose sum is σ = 38543248. Its totient is φ = 18257184.

The previous prime is 28146593. The next prime is 28146647. The reversal of 28146603 is 30664182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28146603 - 2⁵ = 28146571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28146653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126676 + ... + 126897.

It is an arithmetic number, because the mean of its divisors is an integer number (4817906).

Almost surely, 2^28146603 is an apocalyptic number.

28146603 is a deficient number, since it is larger than the sum of its proper divisors (10396645).

28146603 is a wasteful number, since it uses less digits than its factorization.

28146603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253613.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 28146603 is about 5305.3372183114. The cubic root of 28146603 is about 304.1879428498.

The spelling of 28146603 in words is "twenty-eight million, one hundred forty-six thousand, six hundred three".