1489494272 has 36 divisors (see below), whose sum is σ = 3397912896. Its totient is φ = 638353920.

The previous prime is 1489494271. The next prime is 1489494313. The reversal of 1489494272 is 2724949841.

It is a self number, because there is not a number n which added to its sum of digits gives 1489494272.

It is not an unprimeable number, because it can be changed into a prime (1489494271) 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, 413804 + ... + 417387.

Almost surely, 2^1489494272 is an apocalyptic number.

It is an amenable number.

1489494272 is an abundant number, since it is smaller than the sum of its proper divisors (1908418624).

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

1489494272 is an frugal number, since it uses more digits than its factorization.

1489494272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831214 (or 831200 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 1489494272 is about 38593.9667823871. The cubic root of 1489494272 is about 1142.0355220348.

The spelling of 1489494272 in words is "one billion, four hundred eighty-nine million, four hundred ninety-four thousand, two hundred seventy-two".