1964288 has 18 divisors (see below), whose sum is σ = 3921414. Its totient is φ = 982016.

The previous prime is 1964243. The next prime is 1964297. The reversal of 1964288 is 8824691.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 200704 = 1328^2 + 448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3581 + ... + 4092.

2^1964288 is an apocalyptic number.

It is an amenable number.

1964288 is a deficient number, since it is larger than the sum of its proper divisors (1957126).

1964288 is an frugal number, since it uses more digits than its factorization.

1964288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7675 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1964288 is about 1401.5305918887. The cubic root of 1964288 is about 125.2376917346.

The spelling of 1964288 in words is "one million, nine hundred sixty-four thousand, two hundred eighty-eight".