842961 has 16 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 476544.

The previous prime is 842957. The next prime is 842969. The reversal of 842961 is 169248.

It is not a de Polignac number, because 842961 - 2² = 842957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842969) 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 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁸⁴²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

842961 is a deficient number, since it is larger than the sum of its proper divisors (455343).

842961 is a wasteful number, since it uses less digits than its factorization.

842961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its digits is 3456, while the sum is 30.

The square root of 842961 is about 918.1290758929. The cubic root of 842961 is about 94.4646154021.

The spelling of 842961 in words is "eight hundred forty-two thousand, nine hundred sixty-one".