28435798 has 8 divisors (see below), whose sum is σ = 45162792. Its totient is φ = 13381536.

The previous prime is 28435793. The next prime is 28435801. The reversal of 28435798 is 89753482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418140 + ... + 418207.

It is an arithmetic number, because the mean of its divisors is an integer number (5645349).

Almost surely, 2^28435798 is an apocalyptic number.

28435798 is a deficient number, since it is larger than the sum of its proper divisors (16726994).

28435798 is a wasteful number, since it uses less digits than its factorization.

28435798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836366.

The product of its digits is 483840, while the sum is 46.

The square root of 28435798 is about 5332.5226675561. The cubic root of 28435798 is about 305.2261978752.

The spelling of 28435798 in words is "twenty-eight million, four hundred thirty-five thousand, seven hundred ninety-eight".