5391668 has 24 divisors (see below), whose sum is σ = 10103520. Its totient is φ = 2509920.

The previous prime is 5391667. The next prime is 5391679. The reversal of 5391668 is 8661935.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (420980).

Almost surely, 2^5391668 is an apocalyptic number.

It is an amenable number.

5391668 is a deficient number, since it is larger than the sum of its proper divisors (4711852).

5391668 is a wasteful number, since it uses less digits than its factorization.

5391668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 5391668 is about 2321.9965546917. The cubic root of 5391668 is about 175.3507848228.

The spelling of 5391668 in words is "five million, three hundred ninety-one thousand, six hundred sixty-eight".