1337984 has 16 divisors (see below), whose sum is σ = 2665770. Its totient is φ = 668928.

The previous prime is 1337983. The next prime is 1337989. The reversal of 1337984 is 4897331.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 577600 = 872^2 + 760^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1337981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099 + ... + 5354.

2^1337984 is an apocalyptic number.

It is an amenable number.

1337984 is a deficient number, since it is larger than the sum of its proper divisors (1327786).

1337984 is an equidigital number, since it uses as much as digits as its factorization.

1337984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467 (or 10455 counting only the distinct ones).

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

The square root of 1337984 is about 1156.7125831424. The cubic root of 1337984 is about 110.1920611582.

The spelling of 1337984 in words is "one million, three hundred thirty-seven thousand, nine hundred eighty-four".