1881341 has 16 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 1435200.

The previous prime is 1881329. The next prime is 1881343. The reversal of 1881341 is 1431881.

It is a cyclic number.

It is not a de Polignac number, because 1881341 - 2⁶ = 1881277 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1881341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3851 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2^1881341 is an apocalyptic number.

1881341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1881341 is a deficient number, since it is larger than the sum of its proper divisors (513667).

1881341 is a wasteful number, since it uses less digits than its factorization.

1881341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its digits is 768, while the sum is 26.

The square root of 1881341 is about 1371.6198452924. The cubic root of 1881341 is about 123.4494539830.

It can be divided in two parts, 1881 and 341, that added together give a palindrome (2222).

The spelling of 1881341 in words is "one million, eight hundred eighty-one thousand, three hundred forty-one".