4163990 has 8 divisors (see below), whose sum is σ = 7495200. Its totient is φ = 1665592.

The previous prime is 4163987. The next prime is 4164007. The reversal of 4163990 is 993614.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 208190 + ... + 208209.

It is an arithmetic number, because the mean of its divisors is an integer number (936900).

Almost surely, 2^4163990 is an apocalyptic number.

4163990 is a deficient number, since it is larger than the sum of its proper divisors (3331210).

4163990 is a wasteful number, since it uses less digits than its factorization.

4163990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416406.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 4163990 is about 2040.5857002341. The cubic root of 4163990 is about 160.8804328098.

The spelling of 4163990 in words is "four million, one hundred sixty-three thousand, nine hundred ninety".