1489280 has 64 divisors (see below), whose sum is σ = 3855600. Its totient is φ = 546816.

The previous prime is 1489261. The next prime is 1489283. The reversal of 1489280 is 829841.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 8409.

2^1489280 is an apocalyptic number.

1489280 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 1489280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927800).

1489280 is an abundant number, since it is smaller than the sum of its proper divisors (2366320).

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

1489280 is a wasteful number, since it uses less digits than its factorization.

1489280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1489280 is about 1220.3606024450. The cubic root of 1489280 is about 114.1980756697.

The spelling of 1489280 in words is "one million, four hundred eighty-nine thousand, two hundred eighty".