5806638 has 12 divisors (see below), whose sum is σ = 12581088. Its totient is φ = 1935540.

The previous prime is 5806637. The next prime is 5806643. The reversal of 5806638 is 8366085.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5806637) 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 5 ways as a sum of consecutive naturals, for example, 161278 + ... + 161313.

It is an arithmetic number, because the mean of its divisors is an integer number (1048424).

Almost surely, 2^5806638 is an apocalyptic number.

5806638 is an abundant number, since it is smaller than the sum of its proper divisors (6774450).

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

5806638 is a wasteful number, since it uses less digits than its factorization.

5806638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322599 (or 322596 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5806638 is about 2409.6966614078. The cubic root of 5806638 is about 179.7386949224.

The spelling of 5806638 in words is "five million, eight hundred six thousand, six hundred thirty-eight".