28598867 has 8 divisors (see below), whose sum is σ = 32555520. Its totient is φ = 24868360.

The previous prime is 28598861. The next prime is 28598873. The reversal of 28598867 is 76889582.

It is an interprime number because it is at equal distance from previous prime (28598861) and next prime (28598873).

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

It is not a de Polignac number, because 28598867 - 2¹⁰ = 28597843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28598861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56267 + ... + 56772.

It is an arithmetic number, because the mean of its divisors is an integer number (4069440).

Almost surely, 2^28598867 is an apocalyptic number.

28598867 is a deficient number, since it is larger than the sum of its proper divisors (3956653).

28598867 is a wasteful number, since it uses less digits than its factorization.

28598867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113073.

The product of its digits is 1935360, while the sum is 53.

The square root of 28598867 is about 5347.7908523053. The cubic root of 28598867 is about 305.8085400058.

It can be divided in two parts, 28 and 598867, that added together give a palindrome (598895).

The spelling of 28598867 in words is "twenty-eight million, five hundred ninety-eight thousand, eight hundred sixty-seven".