28167846 has 32 divisors (see below), whose sum is σ = 65702400. Its totient is φ = 8047368.

The previous prime is 28167833. The next prime is 28167863. The reversal of 28167846 is 64876182.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 28167798 and 28167807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4786 + ... + 8901.

It is an arithmetic number, because the mean of its divisors is an integer number (2053200).

Almost surely, 2^28167846 is an apocalyptic number.

28167846 is an abundant number, since it is smaller than the sum of its proper divisors (37534554).

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

28167846 is a wasteful number, since it uses less digits than its factorization.

28167846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713 (or 13699 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 28167846 is about 5307.3388812097. The cubic root of 28167846 is about 304.2644498858.

The spelling of 28167846 in words is "twenty-eight million, one hundred sixty-seven thousand, eight hundred forty-six".