28171596 has 24 divisors (see below), whose sum is σ = 68592384. Its totient is φ = 8982160.

The previous prime is 28171589. The next prime is 28171597. The reversal of 28171596 is 69517182.

It is not an unprimeable number, because it can be changed into a prime (28171597) 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, 50760 + ... + 51311.

It is an arithmetic number, because the mean of its divisors is an integer number (2858016).

Almost surely, 2^28171596 is an apocalyptic number.

It is an amenable number.

28171596 is an abundant number, since it is smaller than the sum of its proper divisors (40420788).

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

28171596 is a wasteful number, since it uses less digits than its factorization.

28171596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102101 (or 102099 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 28171596 is about 5307.6921538462. The cubic root of 28171596 is about 304.2779515815.

The spelling of 28171596 in words is "twenty-eight million, one hundred seventy-one thousand, five hundred ninety-six".