1321384 has 8 divisors (see below), whose sum is σ = 2477610. Its totient is φ = 660688.

The previous prime is 1321379. The next prime is 1321391. The reversal of 1321384 is 4831231.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 62500 = 1122^2 + 250^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82579 + ... + 82594.

2^1321384 is an apocalyptic number.

It is an amenable number.

1321384 is a deficient number, since it is larger than the sum of its proper divisors (1156226).

1321384 is a wasteful number, since it uses less digits than its factorization.

1321384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165179 (or 165175 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1321384 is about 1149.5146802020. The cubic root of 1321384 is about 109.7344559012.

The spelling of 1321384 in words is "one million, three hundred twenty-one thousand, three hundred eighty-four".