4591116 has 36 divisors (see below), whose sum is σ = 11771032. Its totient is φ = 1508544.

The previous prime is 4591091. The next prime is 4591117. The reversal of 4591116 is 6111954.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4591116² = 42156692250912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4591116.

It is not an unprimeable number, because it can be changed into a prime (4591117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1755 + ... + 3501.

Almost surely, 2^4591116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4591116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5885516).

4591116 is an abundant number, since it is smaller than the sum of its proper divisors (7179916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4591116 is a wasteful number, since it uses less digits than its factorization.

4591116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1825 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 4591116 is about 2142.6889648290. The cubic root of 4591116 is about 166.2032155842.

The spelling of 4591116 in words is "four million, five hundred ninety-one thousand, one hundred sixteen".