28934071 has 2 divisors, whose sum is σ = 28934072. Its totient is φ = 28934070.

The previous prime is 28934063. The next prime is 28934089. The reversal of 28934071 is 17043982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28934071 - 2³ = 28934063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28934011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14467035 + 14467036.

It is an arithmetic number, because the mean of its divisors is an integer number (14467036).

Almost surely, 2^28934071 is an apocalyptic number.

28934071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28934071 is an equidigital number, since it uses as much as digits as its factorization.

28934071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28934071 is about 5379.0399701062. The cubic root of 28934071 is about 306.9986843305.

The spelling of 28934071 in words is "twenty-eight million, nine hundred thirty-four thousand, seventy-one".