4468538 has 4 divisors (see below), whose sum is σ = 6702810. Its totient is φ = 2234268.

The previous prime is 4468537. The next prime is 4468547. The reversal of 4468538 is 8358644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3286969 + 1181569 = 1813^2 + 1087^2 .

It is not an unprimeable number, because it can be changed into a prime (4468537) 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 as a sum of consecutive naturals, namely, 1117133 + ... + 1117136.

Almost surely, 2^4468538 is an apocalyptic number.

4468538 is a deficient number, since it is larger than the sum of its proper divisors (2234272).

4468538 is a wasteful number, since it uses less digits than its factorization.

4468538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234271.

The product of its digits is 92160, while the sum is 38.

The square root of 4468538 is about 2113.8916717751. The cubic root of 4468538 is about 164.7107021249.

The spelling of 4468538 in words is "four million, four hundred sixty-eight thousand, five hundred thirty-eight".