1959967 has 2 divisors, whose sum is σ = 1959968. Its totient is φ = 1959966.

The previous prime is 1959961. The next prime is 1959973. The reversal of 1959967 is 7699591.

It is a balanced prime because it is at equal distance from previous prime (1959961) and next prime (1959973).

It is an emirp because it is prime and its reverse (7699591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1959967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1959961) 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, 979983 + 979984.

It is an arithmetic number, because the mean of its divisors is an integer number (979984).

2^1959967 is an apocalyptic number.

1959967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1959967 is an equidigital number, since it uses as much as digits as its factorization.

1959967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 46.

The square root of 1959967 is about 1399.9882142361. The cubic root of 1959967 is about 125.1457925568.

It can be divided in two parts, 1959 and 967, that added together give a triangular number (2926 = T₇₆).

The spelling of 1959967 in words is "one million, nine hundred fifty-nine thousand, nine hundred sixty-seven".