5231638 has 16 divisors (see below), whose sum is σ = 8110080. Its totient is φ = 2529576.

The previous prime is 5231623. The next prime is 5231647. The reversal of 5231638 is 8361325.

It is a plaindrome in base 13.

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, 10683 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (506880).

Almost surely, 2^5231638 is an apocalyptic number.

5231638 is a deficient number, since it is larger than the sum of its proper divisors (2878442).

5231638 is a wasteful number, since it uses less digits than its factorization.

5231638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

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

The square root of 5231638 is about 2287.2774208653. The cubic root of 5231638 is about 173.5984707900.

The spelling of 5231638 in words is "five million, two hundred thirty-one thousand, six hundred thirty-eight".