28264160 has 24 divisors (see below), whose sum is σ = 66774456. Its totient is φ = 11305600.

The previous prime is 28264147. The next prime is 28264163. The reversal of 28264160 is 6146282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28264163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88166 + ... + 88485.

It is an arithmetic number, because the mean of its divisors is an integer number (2782269).

Almost surely, 2^28264160 is an apocalyptic number.

28264160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28264160 is an abundant number, since it is smaller than the sum of its proper divisors (38510296).

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

28264160 is a wasteful number, since it uses less digits than its factorization.

28264160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176666 (or 176658 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28264160 is about 5316.4048002386. The cubic root of 28264160 is about 304.6108447179.

It can be divided in two parts, 282 and 64160, that multiplied together give a triangular number (18093120 = T₆₀₁₅).

The spelling of 28264160 in words is "twenty-eight million, two hundred sixty-four thousand, one hundred sixty".