5997664 has 48 divisors (see below), whose sum is σ = 12791520. Its totient is φ = 2759680.

The previous prime is 5997659. The next prime is 5997679. The reversal of 5997664 is 4667995.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21204 + ... + 21484.

It is an arithmetic number, because the mean of its divisors is an integer number (266490).

Almost surely, 2^5997664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5997664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6395760).

5997664 is an abundant number, since it is smaller than the sum of its proper divisors (6793856).

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

5997664 is a wasteful number, since it uses less digits than its factorization.

5997664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 335 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 5997664 is about 2449.0128623590. The cubic root of 5997664 is about 181.6884740349.

The spelling of 5997664 in words is "five million, nine hundred ninety-seven thousand, six hundred sixty-four".