19482689 has 4 divisors (see below), whose sum is σ = 19636224. Its totient is φ = 19329156.

The previous prime is 19482649. The next prime is 19482691. The reversal of 19482689 is 98628491.

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 a cyclic number.

It is not a de Polignac number, because 19482689 - 2¹² = 19478593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19482649) 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, 76577 + ... + 76830.

It is an arithmetic number, because the mean of its divisors is an integer number (4909056).

Almost surely, 2^19482689 is an apocalyptic number.

It is an amenable number.

19482689 is a deficient number, since it is larger than the sum of its proper divisors (153535).

19482689 is a wasteful number, since it uses less digits than its factorization.

19482689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153534.

The product of its digits is 248832, while the sum is 47.

The square root of 19482689 is about 4413.9199131837. The cubic root of 19482689 is about 269.0809584821.

The spelling of 19482689 in words is "nineteen million, four hundred eighty-two thousand, six hundred eighty-nine".