1489023983 has 4 divisors (see below), whose sum is σ = 1489823400. Its totient is φ = 1488224568.

The previous prime is 1489023971. The next prime is 1489023989. The reversal of 1489023983 is 3893209841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3893209841 = 1051 ⋅3704291.

It is a cyclic number.

It is not a de Polignac number, because 1489023983 - 2⁶ = 1489023919 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 (1489023989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396908 + ... + 400641.

It is an arithmetic number, because the mean of its divisors is an integer number (372455850).

Almost surely, 2^1489023983 is an apocalyptic number.

1489023983 is a deficient number, since it is larger than the sum of its proper divisors (799417).

1489023983 is an equidigital number, since it uses as much as digits as its factorization.

1489023983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799416.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1489023983 is about 38587.8735226496. The cubic root of 1489023983 is about 1141.9153149529.

The spelling of 1489023983 in words is "one billion, four hundred eighty-nine million, twenty-three thousand, nine hundred eighty-three".