5393664 has 54 divisors (see below), whose sum is σ = 15557906. Its totient is φ = 1797120.

The previous prime is 5393653. The next prime is 5393677. The reversal of 5393664 is 4663935.

It can be written as a sum of positive squares in only one way, i.e., 4875264 + 518400 = 2208^2 + 720^2 .

It is a super-2 number, since 2×5393664² = 58183222689792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1134 + ... + 3474.

Almost surely, 2^5393664 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 5393664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7778953).

5393664 is an abundant number, since it is smaller than the sum of its proper divisors (10164242).

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

5393664 is a wasteful number, since it uses less digits than its factorization.

5393664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2346 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 5393664 is about 2322.4263174534. The cubic root of 5393664 is about 175.3724204888.

The spelling of 5393664 in words is "five million, three hundred ninety-three thousand, six hundred sixty-four".