4463990 has 8 divisors (see below), whose sum is σ = 8035200. Its totient is φ = 1785592.

The previous prime is 4463971. The next prime is 4464007. The reversal of 4463990 is 993644.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4463990.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 223190 + ... + 223209.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^4463990 is an apocalyptic number.

4463990 is a deficient number, since it is larger than the sum of its proper divisors (3571210).

4463990 is a wasteful number, since it uses less digits than its factorization.

4463990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446406.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4463990 is about 2112.8156568901. The cubic root of 4463990 is about 164.6548032635.

The spelling of 4463990 in words is "four million, four hundred sixty-three thousand, nine hundred ninety".