4493811 has 32 divisors (see below), whose sum is σ = 7280640. Its totient is φ = 2411136.

The previous prime is 4493789. The next prime is 4493813. The reversal of 4493811 is 1183944.

4493811 = 85² + 86² + ... + 241².

It is a happy number.

It is not a de Polignac number, because 4493811 - 2⁵ = 4493779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4493813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28545 + ... + 28701.

It is an arithmetic number, because the mean of its divisors is an integer number (227520).

Almost surely, 2^4493811 is an apocalyptic number.

4493811 is a deficient number, since it is larger than the sum of its proper divisors (2786829).

4493811 is a wasteful number, since it uses less digits than its factorization.

4493811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its digits is 3456, while the sum is 30.

The square root of 4493811 is about 2119.8610803541. The cubic root of 4493811 is about 165.0206402095.

The spelling of 4493811 in words is "four million, four hundred ninety-three thousand, eight hundred eleven".