4405838 has 4 divisors (see below), whose sum is σ = 6608760. Its totient is φ = 2202918.

The previous prime is 4405831. The next prime is 4405867. The reversal of 4405838 is 8385044.

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

It is a super-2 number, since 2×4405838² = 38822816964488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405831) 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, 1101458 + ... + 1101461.

It is an arithmetic number, because the mean of its divisors is an integer number (1652190).

Almost surely, 2^4405838 is an apocalyptic number.

4405838 is a deficient number, since it is larger than the sum of its proper divisors (2202922).

4405838 is a wasteful number, since it uses less digits than its factorization.

4405838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202921.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 4405838 is about 2099.0088137023. The cubic root of 4405838 is about 163.9366947816.

The spelling of 4405838 in words is "four million, four hundred five thousand, eight hundred thirty-eight".