4402418 has 4 divisors (see below), whose sum is σ = 6603630. Its totient is φ = 2201208.

The previous prime is 4402399. The next prime is 4402421. The reversal of 4402418 is 8142044.

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., 3073009 + 1329409 = 1753^2 + 1153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4402393 and 4402402.

It is an unprimeable number.

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, 1100603 + ... + 1100606.

Almost surely, 2^4402418 is an apocalyptic number.

4402418 is a deficient number, since it is larger than the sum of its proper divisors (2201212).

4402418 is a wasteful number, since it uses less digits than its factorization.

4402418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201211.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4402418 is about 2098.1939853121. The cubic root of 4402418 is about 163.8942655753.

The spelling of 4402418 in words is "four million, four hundred two thousand, four hundred eighteen".