946861 has 2 divisors, whose sum is σ = 946862. Its totient is φ = 946860.

The previous prime is 946859. The next prime is 946873. The reversal of 946861 is 168649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 126025 = 906^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 946861 - 2¹ = 946859 is a prime.

Together with 946859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473430 + 473431.

It is an arithmetic number, because the mean of its divisors is an integer number (473431).

2⁹⁴⁶⁸⁶¹ is an apocalyptic number.

It is an amenable number.

946861 is a deficient number, since it is larger than the sum of its proper divisors (1).

946861 is an equidigital number, since it uses as much as digits as its factorization.

946861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 946861 is about 973.0678290849. The cubic root of 946861 is about 98.1963645727.

The spelling of 946861 in words is "nine hundred forty-six thousand, eight hundred sixty-one".