5418391 has 8 divisors (see below), whose sum is σ = 6071184. Its totient is φ = 4792320.

The previous prime is 5418377. The next prime is 5418407. The reversal of 5418391 is 1938145.

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

It is a cyclic number.

It is not a de Polignac number, because 5418391 - 2¹⁹ = 4894103 is a prime.

It is a super-2 number, since 2×5418391² = 58717922057762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6250 + ... + 7063.

It is an arithmetic number, because the mean of its divisors is an integer number (758898).

Almost surely, 2^5418391 is an apocalyptic number.

5418391 is a deficient number, since it is larger than the sum of its proper divisors (652793).

5418391 is a wasteful number, since it uses less digits than its factorization.

5418391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361.

The product of its digits is 4320, while the sum is 31.

The square root of 5418391 is about 2327.7437573754. The cubic root of 5418391 is about 175.6400075405.

The spelling of 5418391 in words is "five million, four hundred eighteen thousand, three hundred ninety-one".