1964168 has 8 divisors (see below), whose sum is σ = 3682830. Its totient is φ = 982080.

The previous prime is 1964159. The next prime is 1964173. The reversal of 1964168 is 8614691.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 669124 = 1138^2 + 818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122753 + ... + 122768.

2^1964168 is an apocalyptic number.

It is an amenable number.

1964168 is a deficient number, since it is larger than the sum of its proper divisors (1718662).

1964168 is a wasteful number, since it uses less digits than its factorization.

1964168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245527 (or 245523 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 1964168 is about 1401.4877808957. The cubic root of 1964168 is about 125.2351413908.

The spelling of 1964168 in words is "one million, nine hundred sixty-four thousand, one hundred sixty-eight".