5321638 has 8 divisors (see below), whose sum is σ = 9122832. Its totient is φ = 2280696.

The previous prime is 5321633. The next prime is 5321639. The reversal of 5321638 is 8361235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190045 + ... + 190072.

It is an arithmetic number, because the mean of its divisors is an integer number (1140354).

Almost surely, 2^5321638 is an apocalyptic number.

5321638 is a deficient number, since it is larger than the sum of its proper divisors (3801194).

5321638 is a wasteful number, since it uses less digits than its factorization.

5321638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380126.

The product of its digits is 4320, while the sum is 28.

The square root of 5321638 is about 2306.8675731390. The cubic root of 5321638 is about 174.5882892984.

The spelling of 5321638 in words is "five million, three hundred twenty-one thousand, six hundred thirty-eight".