946669 has 2 divisors, whose sum is σ = 946670. Its totient is φ = 946668.

The previous prime is 946667. The next prime is 946681. The reversal of 946669 is 966649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 366025 = 762^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 946669 - 2¹ = 946667 is a prime.

It is a super-2 number, since 2×946669² = 1792364391122, which contains 22 as substring.

Together with 946667, 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 (946661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473334 + 473335.

It is an arithmetic number, because the mean of its divisors is an integer number (473335).

2⁹⁴⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

946669 is a deficient number, since it is larger than the sum of its proper divisors (1).

946669 is an equidigital number, since it uses as much as digits as its factorization.

946669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 946669 is about 972.9691670346. The cubic root of 946669 is about 98.1897268591.

The spelling of 946669 in words is "nine hundred forty-six thousand, six hundred sixty-nine".