28371150 has 72 divisors (see below), whose sum is σ = 77443704. Its totient is φ = 7444800.

The previous prime is 28371149. The next prime is 28371179. The reversal of 28371150 is 5117382.

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 in 35 ways as a sum of consecutive naturals, for example, 29680 + ... + 30620.

It is an arithmetic number, because the mean of its divisors is an integer number (1075607).

Almost surely, 2^28371150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28371150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38721852).

28371150 is an abundant number, since it is smaller than the sum of its proper divisors (49072554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28371150 is a wasteful number, since it uses less digits than its factorization.

28371150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 28371150 is about 5326.4575470006. The cubic root of 28371150 is about 304.9947145908.

The spelling of 28371150 in words is "twenty-eight million, three hundred seventy-one thousand, one hundred fifty".