1488640 has 36 divisors (see below), whose sum is σ = 3568824. Its totient is φ = 594944.

The previous prime is 1488623. The next prime is 1488653. The reversal of 1488640 is 468841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (99134).

2^1488640 is an apocalyptic number.

1488640 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 1488640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784412).

1488640 is an abundant number, since it is smaller than the sum of its proper divisors (2080184).

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

1488640 is an equidigital number, since it uses as much as digits as its factorization.

1488640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1488640 is about 1220.0983566910. The cubic root of 1488640 is about 114.1817149137.

The spelling of 1488640 in words is "one million, four hundred eighty-eight thousand, six hundred forty".