1489680 has 60 divisors (see below), whose sum is σ = 5005260. Its totient is φ = 397056.

The previous prime is 1489673. The next prime is 1489717. The reversal of 1489680 is 869841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 374544 + 1115136 = 612^2 + 1056^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (83421).

2^1489680 is an apocalyptic number.

1489680 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 1489680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502630).

1489680 is an abundant number, since it is smaller than the sum of its proper divisors (3515580).

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

1489680 is a wasteful number, since it uses less digits than its factorization.

1489680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1489680 is about 1220.5244774276. The cubic root of 1489680 is about 114.2082987621.

The spelling of 1489680 in words is "one million, four hundred eighty-nine thousand, six hundred eighty".