1964488 has 8 divisors (see below), whose sum is σ = 3683430. Its totient is φ = 982240.

The previous prime is 1964483. The next prime is 1964531. The reversal of 1964488 is 8844691.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 381924 = 1258^2 + 618^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1964488.

It is not an unprimeable number, because it can be changed into a prime (1964483) 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, 122773 + ... + 122788.

2^1964488 is an apocalyptic number.

It is an amenable number.

1964488 is a deficient number, since it is larger than the sum of its proper divisors (1718942).

1964488 is a wasteful number, since it uses less digits than its factorization.

1964488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245567 (or 245563 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 1964488 is about 1401.6019406379. The cubic root of 1964488 is about 125.2419420768.

The spelling of 1964488 in words is "one million, nine hundred sixty-four thousand, four hundred eighty-eight".