1489880 has 64 divisors (see below), whose sum is σ = 4069440. Its totient is φ = 479232.

The previous prime is 1489867. The next prime is 1489889. The reversal of 1489880 is 889841.

1489880 = 95² + 96² + ... + 174².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (63585).

2^1489880 is an apocalyptic number.

1489880 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 1489880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034720).

1489880 is an abundant number, since it is smaller than the sum of its proper divisors (2579560).

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

1489880 is a wasteful number, since it uses less digits than its factorization.

1489880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1489880 is about 1220.6064066684. The cubic root of 1489880 is about 114.2134096221.

The spelling of 1489880 in words is "one million, four hundred eighty-nine thousand, eight hundred eighty".