1726144 has 28 divisors (see below), whose sum is σ = 3915664. Its totient is φ = 739584.

The previous prime is 1726139. The next prime is 1726147. The reversal of 1726144 is 4416271.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (1726147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479 + ... + 2374.

2^1726144 is an apocalyptic number.

1726144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1726144 is an abundant number, since it is smaller than the sum of its proper divisors (2189520).

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

1726144 is an equidigital number, since it uses as much as digits as its factorization.

1726144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872 (or 3862 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1726144 is about 1313.8279948304. The cubic root of 1726144 is about 119.9570216461.

The spelling of 1726144 in words is "one million, seven hundred twenty-six thousand, one hundred forty-four".