5591838 has 32 divisors (see below), whose sum is σ = 13224960. Its totient is φ = 1542240.

The previous prime is 5591837. The next prime is 5591863. The reversal of 5591838 is 8381955.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5591796 and 5591805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (413280).

Almost surely, 2^5591838 is an apocalyptic number.

5591838 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5591838 is an abundant number, since it is smaller than the sum of its proper divisors (7633122).

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

5591838 is a wasteful number, since it uses less digits than its factorization.

5591838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

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

The square root of 5591838 is about 2364.7067471465. The cubic root of 5591838 is about 177.4944837273.

The spelling of 5591838 in words is "five million, five hundred ninety-one thousand, eight hundred thirty-eight".