4516391 has 8 divisors (see below), whose sum is σ = 5011200. Its totient is φ = 4035640.

The previous prime is 4516387. The next prime is 4516399. The reversal of 4516391 is 1936154.

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 4516391 - 2² = 4516387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4516399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2831 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (626400).

Almost surely, 2^4516391 is an apocalyptic number.

4516391 is a deficient number, since it is larger than the sum of its proper divisors (494809).

4516391 is a wasteful number, since it uses less digits than its factorization.

4516391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its digits is 3240, while the sum is 29.

The square root of 4516391 is about 2125.1802276513. The cubic root of 4516391 is about 165.2965710010.

It can be divided in two parts, 45163 and 91, that added together give a palindrome (45254).

The spelling of 4516391 in words is "four million, five hundred sixteen thousand, three hundred ninety-one".