17042889 has 4 divisors (see below), whose sum is σ = 22723856. Its totient is φ = 11361924.

The previous prime is 17042887. The next prime is 17042897. The reversal of 17042889 is 98824071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 17042889 - 2¹ = 17042887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17042881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840479 + ... + 2840484.

It is an arithmetic number, because the mean of its divisors is an integer number (5680964).

Almost surely, 2^17042889 is an apocalyptic number.

It is an amenable number.

17042889 is a deficient number, since it is larger than the sum of its proper divisors (5680967).

17042889 is an equidigital number, since it uses as much as digits as its factorization.

17042889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680966.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 17042889 is about 4128.3034045477. The cubic root of 17042889 is about 257.3442121737.

The spelling of 17042889 in words is "seventeen million, forty-two thousand, eight hundred eighty-nine".