4991304 has 16 divisors (see below), whose sum is σ = 12478320. Its totient is φ = 1663760.

The previous prime is 4991303. The next prime is 4991317. The reversal of 4991304 is 4031994.

It is not an unprimeable number, because it can be changed into a prime (4991303) 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, 103962 + ... + 104009.

It is an arithmetic number, because the mean of its divisors is an integer number (779895).

Almost surely, 2^4991304 is an apocalyptic number.

It is an amenable number.

4991304 is an abundant number, since it is smaller than the sum of its proper divisors (7487016).

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

4991304 is a wasteful number, since it uses less digits than its factorization.

4991304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207980 (or 207976 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4991304 is about 2234.1226465886. The cubic root of 4991304 is about 170.8984041358.

The spelling of 4991304 in words is "four million, nine hundred ninety-one thousand, three hundred four".