28858598 has 4 divisors (see below), whose sum is σ = 43287900. Its totient is φ = 14429298.

The previous prime is 28858597. The next prime is 28858603. The reversal of 28858598 is 89585882.

It is a happy number.

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 (28858597) 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, 7214648 + ... + 7214651.

It is an arithmetic number, because the mean of its divisors is an integer number (10821975).

Almost surely, 2^28858598 is an apocalyptic number.

28858598 is a deficient number, since it is larger than the sum of its proper divisors (14429302).

28858598 is a wasteful number, since it uses less digits than its factorization.

28858598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429301.

The product of its digits is 1843200, while the sum is 53.

The square root of 28858598 is about 5372.0199180569. The cubic root of 28858598 is about 306.7315219374.

The spelling of 28858598 in words is "twenty-eight million, eight hundred fifty-eight thousand, five hundred ninety-eight".