1337664 has 28 divisors (see below), whose sum is σ = 3539744. Its totient is φ = 445824.

The previous prime is 1337663. The next prime is 1337671. The reversal of 1337664 is 4667331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1337663) 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 in 3 ways as a sum of consecutive naturals, for example, 3292 + ... + 3675.

2^1337664 is an apocalyptic number.

It is an amenable number.

1337664 is an abundant number, since it is smaller than the sum of its proper divisors (2202080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1337664 is an equidigital number, since it uses as much as digits as its factorization.

1337664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982 (or 6972 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 1337664 is about 1156.5742518317. The cubic root of 1337664 is about 110.1832757340.

The spelling of 1337664 in words is "one million, three hundred thirty-seven thousand, six hundred sixty-four".