28798574 has 12 divisors (see below), whose sum is σ = 50250744. Its totient is φ = 12342204.

The previous prime is 28798541. The next prime is 28798579. The reversal of 28798574 is 47589782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28798579) 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 5 ways as a sum of consecutive naturals, for example, 146834 + ... + 147029.

It is an arithmetic number, because the mean of its divisors is an integer number (4187562).

Almost surely, 2^28798574 is an apocalyptic number.

28798574 is a deficient number, since it is larger than the sum of its proper divisors (21452170).

28798574 is a wasteful number, since it uses less digits than its factorization.

28798574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293879 (or 293872 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 28798574 is about 5366.4302846492. The cubic root of 28798574 is about 306.5187138126.

The spelling of 28798574 in words is "twenty-eight million, seven hundred ninety-eight thousand, five hundred seventy-four".