28559434 has 8 divisors (see below), whose sum is σ = 42899040. Its totient is φ = 14259756.

The previous prime is 28559429. The next prime is 28559437. The reversal of 28559434 is 43495582.

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

It is not an unprimeable number, because it can be changed into a prime (28559437) 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, 8124 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (5362380).

Almost surely, 2^28559434 is an apocalyptic number.

28559434 is a deficient number, since it is larger than the sum of its proper divisors (14339606).

28559434 is a wasteful number, since it uses less digits than its factorization.

28559434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19964.

The product of its digits is 172800, while the sum is 40.

The square root of 28559434 is about 5344.1027310485. The cubic root of 28559434 is about 305.6679226074.

The spelling of 28559434 in words is "twenty-eight million, five hundred fifty-nine thousand, four hundred thirty-four".