1489221984 has 48 divisors (see below), whose sum is σ = 3982979952. Its totient is φ = 487039488.

The previous prime is 1489221961. The next prime is 1489221997. The reversal of 1489221984 is 4891229841.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 141259 + ... + 151434.

It is an arithmetic number, because the mean of its divisors is an integer number (82978749).

Almost surely, 2^1489221984 is an apocalyptic number.

It is an amenable number.

1489221984 is an abundant number, since it is smaller than the sum of its proper divisors (2493757968).

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

1489221984 is a wasteful number, since it uses less digits than its factorization.

1489221984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292759 (or 292751 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 1489221984 is about 38590.4390231570. The cubic root of 1489221984 is about 1141.9659276039.

The spelling of 1489221984 in words is "one billion, four hundred eighty-nine million, two hundred twenty-one thousand, nine hundred eighty-four".