1964672 has 16 divisors (see below), whose sum is σ = 3914250. Its totient is φ = 982272.

The previous prime is 1964671. The next prime is 1964719. The reversal of 1964672 is 2764691.

It can be written as a sum of positive squares in only one way, i.e., 1784896 + 179776 = 1336^2 + 424^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1964671) by changing a digit.

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, 7547 + ... + 7802.

2^1964672 is an apocalyptic number.

It is an amenable number.

1964672 is a deficient number, since it is larger than the sum of its proper divisors (1949578).

1964672 is an equidigital number, since it uses as much as digits as its factorization.

1964672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15363 (or 15351 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 1964672 is about 1401.6675782795. The cubic root of 1964672 is about 125.2458521368.

The spelling of 1964672 in words is "one million, nine hundred sixty-four thousand, six hundred seventy-two".