5581938 has 8 divisors (see below), whose sum is σ = 11163888. Its totient is φ = 1860644.

The previous prime is 5581937. The next prime is 5581963. The reversal of 5581938 is 8391855.

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

5581938 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5581896 and 5581905.

It is not an unprimeable number, because it can be changed into a prime (5581937) 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, 465156 + ... + 465167.

It is an arithmetic number, because the mean of its divisors is an integer number (1395486).

Almost surely, 2^5581938 is an apocalyptic number.

5581938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5581938 is a wasteful number, since it uses less digits than its factorization.

5581938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930328.

The product of its digits is 43200, while the sum is 39.

The square root of 5581938 is about 2362.6125370022. The cubic root of 5581938 is about 177.3896742167.

The spelling of 5581938 in words is "five million, five hundred eighty-one thousand, nine hundred thirty-eight".