4991216 has 10 divisors (see below), whose sum is σ = 9670512. Its totient is φ = 2495600.

The previous prime is 4991201. The next prime is 4991237. The reversal of 4991216 is 6121994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155960 + ... + 155991.

Almost surely, 2^4991216 is an apocalyptic number.

It is an amenable number.

4991216 is a deficient number, since it is larger than the sum of its proper divisors (4679296).

4991216 is a wasteful number, since it uses less digits than its factorization.

4991216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311959 (or 311953 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 4991216 is about 2234.1029519698. The cubic root of 4991216 is about 170.8973997792.

The spelling of 4991216 in words is "four million, nine hundred ninety-one thousand, two hundred sixteen".