28167043 has 2 divisors, whose sum is σ = 28167044. Its totient is φ = 28167042.

The previous prime is 28166993. The next prime is 28167047. The reversal of 28167043 is 34076182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28167043 - 2¹⁷ = 28035971 is a prime.

It is a super-2 number, since 2×28167043² = 1586764622727698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28166996 and 28167014.

It is not a weakly prime, because it can be changed into another prime (28167047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14083521 + 14083522.

It is an arithmetic number, because the mean of its divisors is an integer number (14083522).

Almost surely, 2^28167043 is an apocalyptic number.

28167043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28167043 is an equidigital number, since it uses as much as digits as its factorization.

28167043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28167043 is about 5307.2632307056. The cubic root of 28167043 is about 304.2615585669.

The spelling of 28167043 in words is "twenty-eight million, one hundred sixty-seven thousand, forty-three".