4991776 has 24 divisors (see below), whose sum is σ = 10039680. Its totient is φ = 2442048.

The previous prime is 4991771. The next prime is 4991801. The reversal of 4991776 is 6771994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4991771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (418320).

Almost surely, 2^4991776 is an apocalyptic number.

It is an amenable number.

4991776 is an abundant number, since it is smaller than the sum of its proper divisors (5047904).

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

4991776 is a wasteful number, since it uses less digits than its factorization.

4991776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3368 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 4991776 is about 2234.2282783995. The cubic root of 4991776 is about 170.9037909382.

The spelling of 4991776 in words is "four million, nine hundred ninety-one thousand, seven hundred seventy-six".