891941 has 4 divisors (see below), whose sum is σ = 895884. Its totient is φ = 888000.

The previous prime is 891929. The next prime is 891967. The reversal of 891941 is 149198.

891941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 372100 = 721^2 + 610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-891941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 891898 and 891907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (223971).

2⁸⁹¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

891941 is a deficient number, since it is larger than the sum of its proper divisors (3943).

891941 is a wasteful number, since it uses less digits than its factorization.

891941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 2592, while the sum is 32.

The square root of 891941 is about 944.4262808711. The cubic root of 891941 is about 96.2598932879.

The spelling of 891941 in words is "eight hundred ninety-one thousand, nine hundred forty-one".