19472589 has 8 divisors (see below), whose sum is σ = 28848320. Its totient is φ = 12981708.

The previous prime is 19472561. The next prime is 19472591. The reversal of 19472589 is 98527491.

It is not a de Polignac number, because 19472589 - 2⁷ = 19472461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19472489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360577 + ... + 360630.

It is an arithmetic number, because the mean of its divisors is an integer number (3606040).

Almost surely, 2^19472589 is an apocalyptic number.

It is an amenable number.

19472589 is a deficient number, since it is larger than the sum of its proper divisors (9375731).

19472589 is an equidigital number, since it uses as much as digits as its factorization.

19472589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721216 (or 721210 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 19472589 is about 4412.7756571120. The cubic root of 19472589 is about 269.0344524540.

The spelling of 19472589 in words is "nineteen million, four hundred seventy-two thousand, five hundred eighty-nine".