1840841 has 8 divisors (see below), whose sum is σ = 1889664. Its totient is φ = 1792800.

The previous prime is 1840829. The next prime is 1840843. The reversal of 1840841 is 1480481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1840841 is a prime.

It is a Duffinian number.

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 1840841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10940 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (236208).

2^1840841 is an apocalyptic number.

It is an amenable number.

1840841 is a deficient number, since it is larger than the sum of its proper divisors (48823).

1840841 is a wasteful number, since it uses less digits than its factorization.

1840841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1840841 is about 1356.7759579238. The cubic root of 1840841 is about 122.5571800250.

The spelling of 1840841 in words is "one million, eight hundred forty thousand, eight hundred forty-one".