1641344 has 16 divisors (see below), whose sum is σ = 3270120. Its totient is φ = 820608.

The previous prime is 1641329. The next prime is 1641359. The reversal of 1641344 is 4431461.

It is an interprime number because it is at equal distance from previous prime (1641329) and next prime (1641359).

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6284 + ... + 6539.

2^1641344 is an apocalyptic number.

It is an amenable number.

1641344 is a deficient number, since it is larger than the sum of its proper divisors (1628776).

1641344 is an equidigital number, since it uses as much as digits as its factorization.

1641344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837 (or 12825 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1641344 is about 1281.1494838621. The cubic root of 1641344 is about 117.9595763096.

The spelling of 1641344 in words is "one million, six hundred forty-one thousand, three hundred forty-four".