28842166 has 32 divisors (see below), whose sum is σ = 47721312. Its totient is φ = 13017600.

The previous prime is 28842137. The next prime is 28842167. The reversal of 28842166 is 66124882.

It is a Harshad number since it is a multiple of its sum of digits (37).

Its product of digits (36864) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126945 + ... + 127171.

It is an arithmetic number, because the mean of its divisors is an integer number (1491291).

Almost surely, 2^28842166 is an apocalyptic number.

28842166 is a deficient number, since it is larger than the sum of its proper divisors (18879146).

28842166 is a wasteful number, since it uses less digits than its factorization.

28842166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its digits is 36864, while the sum is 37.

The square root of 28842166 is about 5370.4902941910. The cubic root of 28842166 is about 306.6732935451.

It can be divided in two parts, 2884 and 2166, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 28842166 in words is "twenty-eight million, eight hundred forty-two thousand, one hundred sixty-six".