28167134 has 24 divisors (see below), whose sum is σ = 44859360. Its totient is φ = 13261248.

The previous prime is 28167121. The next prime is 28167169. The reversal of 28167134 is 43176182.

It is a self number, because there is not a number n which added to its sum of digits gives 28167134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83414 + ... + 83750.

It is an arithmetic number, because the mean of its divisors is an integer number (1869140).

Almost surely, 2^28167134 is an apocalyptic number.

28167134 is a deficient number, since it is larger than the sum of its proper divisors (16692226).

28167134 is a wasteful number, since it uses less digits than its factorization.

28167134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 441 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 28167134 is about 5307.2718038555. The cubic root of 28167134 is about 304.2618862285.

It can be divided in two parts, 28167 and 134, that multiplied together give a triangular number (3774378 = T₂₇₄₇).

The spelling of 28167134 in words is "twenty-eight million, one hundred sixty-seven thousand, one hundred thirty-four".