943641 has 6 divisors (see below), whose sum is σ = 1363050. Its totient is φ = 629088.

The previous prime is 943637. The next prime is 943651. The reversal of 943641 is 146349.

943641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 335241 = 780^2 + 579^2 .

It is not a de Polignac number, because 943641 - 2² = 943637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (943601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52416 + ... + 52433.

It is an arithmetic number, because the mean of its divisors is an integer number (227175).

2⁹⁴³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

943641 is a deficient number, since it is larger than the sum of its proper divisors (419409).

943641 is a wasteful number, since it uses less digits than its factorization.

943641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104855 (or 104852 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 943641 is about 971.4118590999. The cubic root of 943641 is about 98.0849256889.

The spelling of 943641 in words is "nine hundred forty-three thousand, six hundred forty-one".