843261 has 8 divisors (see below), whose sum is σ = 1135680. Its totient is φ = 556512.

The previous prime is 843257. The next prime is 843289. The reversal of 843261 is 162348.

It is a happy number.

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

It is not a de Polignac number, because 843261 - 2² = 843257 is a prime.

It is a super-2 number, since 2×843261² = 1422178228242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843211) 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, 1056 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2⁸⁴³²⁶¹ is an apocalyptic number.

It is an amenable number.

843261 is a deficient number, since it is larger than the sum of its proper divisors (292419).

843261 is a wasteful number, since it uses less digits than its factorization.

843261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

The product of its digits is 1152, while the sum is 24.

The square root of 843261 is about 918.2924370809. The cubic root of 843261 is about 94.4758203583.

The spelling of 843261 in words is "eight hundred forty-three thousand, two hundred sixty-one".