4991230 has 16 divisors (see below), whose sum is σ = 9375264. Its totient is φ = 1909600.

The previous prime is 4991201. The next prime is 4991237. The reversal of 4991230 is 321994.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10621 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (585954).

Almost surely, 2^4991230 is an apocalyptic number.

4991230 is a deficient number, since it is larger than the sum of its proper divisors (4384034).

4991230 is a wasteful number, since it uses less digits than its factorization.

4991230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21731.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4991230 is about 2234.1060852162. The cubic root of 4991230 is about 170.8975595640.

The spelling of 4991230 in words is "four million, nine hundred ninety-one thousand, two hundred thirty".