1490688 has 54 divisors (see below), whose sum is σ = 4304664. Its totient is φ = 496128.

The previous prime is 1490677. The next prime is 1490701. The reversal of 1490688 is 8860941.

It is a happy number.

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

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 5 ways as a sum of consecutive naturals, for example, 1981 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (79716).

2^1490688 is an apocalyptic number.

1490688 is a gapful number since it is divisible by the number (18) 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 1490688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152332).

1490688 is an abundant number, since it is smaller than the sum of its proper divisors (2813976).

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

1490688 is an equidigital number, since it uses as much as digits as its factorization.

1490688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 652 counting only the distinct ones).

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

The square root of 1490688 is about 1220.9373448298. The cubic root of 1490688 is about 114.2340528411.

The spelling of 1490688 in words is "one million, four hundred ninety thousand, six hundred eighty-eight".