1489320756 has 324 divisors, whose sum is σ = 4984112224. Its totient is φ = 381062880.

The previous prime is 1489320743. The next prime is 1489320761. The reversal of 1489320756 is 6570239841.

1489320756 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (324).

1489320756 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 22228635 + ... + 22228701.

It is a 1-persistent number, because it is pandigital, but 2⋅1489320756 = 2978641512 is not.

Almost surely, 2^1489320756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489320756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2492056112).

1489320756 is an abundant number, since it is smaller than the sum of its proper divisors (3494791468).

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

1489320756 is an equidigital number, since it uses as much as digits as its factorization.

1489320756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1489320756 is about 38591.7187489751. The cubic root of 1489320756 is about 1141.9911738435.

The spelling of 1489320756 in words is "one billion, four hundred eighty-nine million, three hundred twenty thousand, seven hundred fifty-six".