17989074 has 16 divisors (see below), whose sum is σ = 39975840. Its totient is φ = 5996340.

The previous prime is 17989063. The next prime is 17989079. The reversal of 17989074 is 47098971.

It is not an unprimeable number, because it can be changed into a prime (17989079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166512 + ... + 166619.

It is an arithmetic number, because the mean of its divisors is an integer number (2498490).

Almost surely, 2^17989074 is an apocalyptic number.

17989074 is an abundant number, since it is smaller than the sum of its proper divisors (21986766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17989074 is a wasteful number, since it uses less digits than its factorization.

17989074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333142 (or 333136 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 17989074 is about 4241.3528502118. The cubic root of 17989074 is about 262.0211023541.

It can be divided in two parts, 179 and 89074, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 17989074 in words is "seventeen million, nine hundred eighty-nine thousand, seventy-four".