1489233916 has 12 divisors (see below), whose sum is σ = 2661609888. Its totient is φ = 728773952.

The previous prime is 1489233913. The next prime is 1489233947. The reversal of 1489233916 is 6193329841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489233913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960541 + ... + 3960916.

It is an arithmetic number, because the mean of its divisors is an integer number (221800824).

Almost surely, 2^1489233916 is an apocalyptic number.

It is an amenable number.

1489233916 is a deficient number, since it is larger than the sum of its proper divisors (1172375972).

1489233916 is a wasteful number, since it uses less digits than its factorization.

1489233916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921508 (or 7921506 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 1489233916 is about 38590.5936207258. The cubic root of 1489233916 is about 1141.9689774964.

The spelling of 1489233916 in words is "one billion, four hundred eighty-nine million, two hundred thirty-three thousand, nine hundred sixteen".