1641941 has 8 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 1407084.

The previous prime is 1641931. The next prime is 1641953. The reversal of 1641941 is 1491461.

It is not a de Polignac number, because 1641941 - 2¹⁸ = 1379797 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1641941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

2^1641941 is an apocalyptic number.

It is an amenable number.

1641941 is a deficient number, since it is larger than the sum of its proper divisors (273259).

1641941 is an frugal number, since it uses more digits than its factorization.

1641941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808 (or 4794 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1641941 is about 1281.3824565679. The cubic root of 1641941 is about 117.9738762432.

The spelling of 1641941 in words is "one million, six hundred forty-one thousand, nine hundred forty-one".