28167038 has 8 divisors (see below), whose sum is σ = 42287160. Its totient is φ = 14071320.

The previous prime is 28166993. The next prime is 28167043. The reversal of 28167038 is 83076182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28166989 and 28167007.

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 3 ways as a sum of consecutive naturals, for example, 2873 + ... + 8036.

It is an arithmetic number, because the mean of its divisors is an integer number (5285895).

Almost surely, 2^28167038 is an apocalyptic number.

28167038 is a deficient number, since it is larger than the sum of its proper divisors (14120122).

28167038 is a wasteful number, since it uses less digits than its factorization.

28167038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 28167038 is about 5307.2627596530. The cubic root of 28167038 is about 304.2615405635.

The spelling of 28167038 in words is "twenty-eight million, one hundred sixty-seven thousand, thirty-eight".