4055990 has 8 divisors (see below), whose sum is σ = 7300800. Its totient is φ = 1622392.

The previous prime is 4055983. The next prime is 4055993. The reversal of 4055990 is 995504.

It is a sphenic number, since it is the product of 3 distinct 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 (4055993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202790 + ... + 202809.

It is an arithmetic number, because the mean of its divisors is an integer number (912600).

Almost surely, 2^4055990 is an apocalyptic number.

4055990 is a deficient number, since it is larger than the sum of its proper divisors (3244810).

4055990 is a wasteful number, since it uses less digits than its factorization.

4055990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405606.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 4055990 is about 2013.9488573447. The cubic root of 4055990 is about 159.4773309240.

The spelling of 4055990 in words is "four million, fifty-five thousand, nine hundred ninety".