1489920 has 88 divisors (see below), whose sum is σ = 4814544. Its totient is φ = 393216.

The previous prime is 1489909. The next prime is 1489937. The reversal of 1489920 is 299841.

It is a zygodrome in base 4.

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, 15312 + ... + 15408.

2^1489920 is an apocalyptic number.

1489920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407272).

1489920 is an abundant number, since it is smaller than the sum of its proper divisors (3324624).

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

1489920 is an equidigital number, since it uses as much as digits as its factorization.

1489920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1489920 is about 1220.6227918567. The cubic root of 1489920 is about 114.2144317392.

The spelling of 1489920 in words is "one million, four hundred eighty-nine thousand, nine hundred twenty".