28176093 has 48 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 16737840.

The previous prime is 28176067. The next prime is 28176101. The reversal of 28176093 is 39067182.

It is not a de Polignac number, because 28176093 - 2⁸ = 28175837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28176013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221796 + ... + 221922.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 2^28176093 is an apocalyptic number.

It is an amenable number.

28176093 is a deficient number, since it is larger than the sum of its proper divisors (18788643).

28176093 is a wasteful number, since it uses less digits than its factorization.

28176093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 28176093 is about 5308.1157673887. The cubic root of 28176093 is about 304.2941412351.

It can be divided in two parts, 28 and 176093, that added together give a triangular number (176121 = T₅₉₃).

The spelling of 28176093 in words is "twenty-eight million, one hundred seventy-six thousand, ninety-three".