28435598 has 4 divisors (see below), whose sum is σ = 42653400. Its totient is φ = 14217798.

The previous prime is 28435597. The next prime is 28435601. The reversal of 28435598 is 89553482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435597) 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 as a sum of consecutive naturals, namely, 7108898 + ... + 7108901.

It is an arithmetic number, because the mean of its divisors is an integer number (10663350).

Almost surely, 2^28435598 is an apocalyptic number.

28435598 is a deficient number, since it is larger than the sum of its proper divisors (14217802).

28435598 is a wasteful number, since it uses less digits than its factorization.

28435598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217801.

The product of its digits is 345600, while the sum is 44.

The square root of 28435598 is about 5332.5039146727. The cubic root of 28435598 is about 305.2254822821.

The spelling of 28435598 in words is "twenty-eight million, four hundred thirty-five thousand, five hundred ninety-eight".