28258598 has 4 divisors (see below), whose sum is σ = 42387900. Its totient is φ = 14129298.

The previous prime is 28258589. The next prime is 28258603. The reversal of 28258598 is 89585282.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 7064648 + ... + 7064651.

It is an arithmetic number, because the mean of its divisors is an integer number (10596975).

Almost surely, 2^28258598 is an apocalyptic number.

28258598 is a deficient number, since it is larger than the sum of its proper divisors (14129302).

28258598 is a wasteful number, since it uses less digits than its factorization.

28258598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14129301.

The product of its digits is 460800, while the sum is 47.

The square root of 28258598 is about 5315.8816766365. The cubic root of 28258598 is about 304.5908623249.

The spelling of 28258598 in words is "twenty-eight million, two hundred fifty-eight thousand, five hundred ninety-eight".