5971638 has 8 divisors (see below), whose sum is σ = 11943288. Its totient is φ = 1990544.

The previous prime is 5971627. The next prime is 5971639. The reversal of 5971638 is 8361795.

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

5971638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5971596 and 5971605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5971639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497631 + ... + 497642.

It is an arithmetic number, because the mean of its divisors is an integer number (1492911).

Almost surely, 2^5971638 is an apocalyptic number.

5971638 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.

5971638 is a wasteful number, since it uses less digits than its factorization.

5971638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995278.

The product of its digits is 45360, while the sum is 39.

The square root of 5971638 is about 2443.6935159713. The cubic root of 5971638 is about 181.4252893188.

The spelling of 5971638 in words is "five million, nine hundred seventy-one thousand, six hundred thirty-eight".