4349990 has 16 divisors (see below), whose sum is σ = 8170848. Its totient is φ = 1664256.

The previous prime is 4349987. The next prime is 4350023. The reversal of 4349990 is 999434.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9227 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (510678).

Almost surely, 2^4349990 is an apocalyptic number.

4349990 is a deficient number, since it is larger than the sum of its proper divisors (3820858).

4349990 is a wasteful number, since it uses less digits than its factorization.

4349990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 4349990 is about 2085.6629641435. The cubic root of 4349990 is about 163.2410650138.

The spelling of 4349990 in words is "four million, three hundred forty-nine thousand, nine hundred ninety".