5891668 has 12 divisors (see below), whose sum is σ = 10405780. Its totient is φ = 2918592.

The previous prime is 5891663. The next prime is 5891687. The reversal of 5891668 is 8661985.

It can be written as a sum of positive squares in 2 ways, for example, as 3617604 + 2274064 = 1902^2 + 1508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5891663) 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, 6321 + ... + 7192.

Almost surely, 2^5891668 is an apocalyptic number.

It is an amenable number.

5891668 is a deficient number, since it is larger than the sum of its proper divisors (4514112).

5891668 is a wasteful number, since it uses less digits than its factorization.

5891668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13626 (or 13624 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 5891668 is about 2427.2758392898. The cubic root of 5891668 is about 180.6117866078.

The spelling of 5891668 in words is "five million, eight hundred ninety-one thousand, six hundred sixty-eight".