17928049 has 2 divisors, whose sum is σ = 17928050. Its totient is φ = 17928048.

The previous prime is 17928041. The next prime is 17928073. The reversal of 17928049 is 94082971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 18225 = 4232^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 17928049 - 2³ = 17928041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17928041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8964024 + 8964025.

It is an arithmetic number, because the mean of its divisors is an integer number (8964025).

Almost surely, 2^17928049 is an apocalyptic number.

It is an amenable number.

17928049 is a deficient number, since it is larger than the sum of its proper divisors (1).

17928049 is an equidigital number, since it uses as much as digits as its factorization.

17928049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 17928049 is about 4234.1526897362. The cubic root of 17928049 is about 261.7244787314.

The spelling of 17928049 in words is "seventeen million, nine hundred twenty-eight thousand, forty-nine".