4491516 has 12 divisors (see below), whose sum is σ = 10480232. Its totient is φ = 1497168.

The previous prime is 4491503. The next prime is 4491533. The reversal of 4491516 is 6151944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187135 + ... + 187158.

Almost surely, 2^4491516 is an apocalyptic number.

It is an amenable number.

4491516 is an abundant number, since it is smaller than the sum of its proper divisors (5988716).

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

4491516 is a wasteful number, since it uses less digits than its factorization.

4491516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374300 (or 374298 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 4491516 is about 2119.3197021686. The cubic root of 4491516 is about 164.9925432810.

The spelling of 4491516 in words is "four million, four hundred ninety-one thousand, five hundred sixteen".