1964159 has 2 divisors, whose sum is σ = 1964160. Its totient is φ = 1964158.

The previous prime is 1964143. The next prime is 1964173. The reversal of 1964159 is 9514691.

It is a strong prime.

It is an emirp because it is prime and its reverse (9514691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964159 - 2⁴ = 1964143 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982079 + 982080.

It is an arithmetic number, because the mean of its divisors is an integer number (982080).

2^1964159 is an apocalyptic number.

1964159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964159 is an equidigital number, since it uses as much as digits as its factorization.

1964159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 1964159 is about 1401.4845700185. The cubic root of 1964159 is about 125.2349501109.

The spelling of 1964159 in words is "one million, nine hundred sixty-four thousand, one hundred fifty-nine".