4173990 has 16 divisors (see below), whose sum is σ = 10017648. Its totient is φ = 1113056.

The previous prime is 4173989. The next prime is 4174013. The reversal of 4173990 is 993714.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69537 + ... + 69596.

It is an arithmetic number, because the mean of its divisors is an integer number (626103).

Almost surely, 2^4173990 is an apocalyptic number.

4173990 is an abundant number, since it is smaller than the sum of its proper divisors (5843658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4173990 is a wasteful number, since it uses less digits than its factorization.

4173990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139143.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4173990 is about 2043.0345077849. The cubic root of 4173990 is about 161.0091169303.

The spelling of 4173990 in words is "four million, one hundred seventy-three thousand, nine hundred ninety".