1964264 has 8 divisors (see below), whose sum is σ = 3683010. Its totient is φ = 982128.

The previous prime is 1964243. The next prime is 1964297. The reversal of 1964264 is 4624691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 195364 = 1330^2 + 442^2 .

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 1964264.

It is an unprimeable number.

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, 122759 + ... + 122774.

2^1964264 is an apocalyptic number.

It is an amenable number.

1964264 is a deficient number, since it is larger than the sum of its proper divisors (1718746).

1964264 is a wasteful number, since it uses less digits than its factorization.

1964264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245539 (or 245535 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 1964264 is about 1401.5220297948. The cubic root of 1964264 is about 125.2371816742.

The spelling of 1964264 in words is "one million, nine hundred sixty-four thousand, two hundred sixty-four".