1964944 has 20 divisors (see below), whose sum is σ = 3841024. Its totient is φ = 973728.

The previous prime is 1964927. The next prime is 1964947. The reversal of 1964944 is 4494691.

It is a super-2 number, since 2×1964944² = 7722009846272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1964947) 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 in 3 ways as a sum of consecutive naturals, for example, 1549 + ... + 2515.

2^1964944 is an apocalyptic number.

It is an amenable number.

1964944 is a deficient number, since it is larger than the sum of its proper divisors (1876080).

1964944 is a wasteful number, since it uses less digits than its factorization.

1964944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 1964944 is about 1401.7646022068. The cubic root of 1964944 is about 125.2516317783.

The spelling of 1964944 in words is "one million, nine hundred sixty-four thousand, nine hundred forty-four".