28134603 has 24 divisors (see below), whose sum is σ = 47212256. Its totient is φ = 15811200.

The previous prime is 28134571. The next prime is 28134619. The reversal of 28134603 is 30643182.

It is a happy number.

28134603 is a `hidden beast` number, since 28 + 1 + 34 + 603 = 666.

It is not a de Polignac number, because 28134603 - 2⁵ = 28134571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28134653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183 + ... + 7503.

Almost surely, 2^28134603 is an apocalyptic number.

28134603 is a deficient number, since it is larger than the sum of its proper divisors (19077653).

28134603 is a wasteful number, since it uses less digits than its factorization.

28134603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7392 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28134603 is about 5304.2061611517. The cubic root of 28134603 is about 304.1447076243.

Adding to 28134603 its reverse (30643182), we get a palindrome (58777785).

The spelling of 28134603 in words is "twenty-eight million, one hundred thirty-four thousand, six hundred three".