966619 has 2 divisors, whose sum is σ = 966620. Its totient is φ = 966618.

The previous prime is 966617. The next prime is 966631. The reversal of 966619 is 916669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966619 - 2¹ = 966617 is a prime.

It is a super-2 number, since 2×966619² = 1868704582322, which contains 22 as substring.

Together with 966617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (966613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483309 + 483310.

It is an arithmetic number, because the mean of its divisors is an integer number (483310).

2⁹⁶⁶⁶¹⁹ is an apocalyptic number.

966619 is a deficient number, since it is larger than the sum of its proper divisors (1).

966619 is an equidigital number, since it uses as much as digits as its factorization.

966619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 966619 is about 983.1678391811. The cubic root of 966619 is about 98.8746841431.

The spelling of 966619 in words is "nine hundred sixty-six thousand, six hundred nineteen".