4390118 has 4 divisors (see below), whose sum is σ = 6585180. Its totient is φ = 2195058.

The previous prime is 4390117. The next prime is 4390151. The reversal of 4390118 is 8110934.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097528 + ... + 1097531.

It is an arithmetic number, because the mean of its divisors is an integer number (1646295).

Almost surely, 2^4390118 is an apocalyptic number.

4390118 is a deficient number, since it is larger than the sum of its proper divisors (2195062).

4390118 is a wasteful number, since it uses less digits than its factorization.

4390118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195061.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4390118 is about 2095.2608429501. The cubic root of 4390118 is about 163.7414874273.

The spelling of 4390118 in words is "four million, three hundred ninety thousand, one hundred eighteen".