17989422 has 16 divisors (see below), whose sum is σ = 39249792. Its totient is φ = 5451320.

The previous prime is 17989403. The next prime is 17989441. The reversal of 17989422 is 22498971.

It is an interprime number because it is at equal distance from previous prime (17989403) and next prime (17989441).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136218 + ... + 136349.

It is an arithmetic number, because the mean of its divisors is an integer number (2453112).

Almost surely, 2^17989422 is an apocalyptic number.

17989422 is an abundant number, since it is smaller than the sum of its proper divisors (21260370).

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

17989422 is a wasteful number, since it uses less digits than its factorization.

17989422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272583.

The product of its digits is 72576, while the sum is 42.

The square root of 17989422 is about 4241.3938746596. The cubic root of 17989422 is about 262.0227919492.

The spelling of 17989422 in words is "seventeen million, nine hundred eighty-nine thousand, four hundred twenty-two".