4127990 has 16 divisors (see below), whose sum is σ = 7454160. Its totient is φ = 1645920.

The previous prime is 4127989. The next prime is 4127993. The reversal of 4127990 is 997214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4127993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (465885).

Almost surely, 2^4127990 is an apocalyptic number.

4127990 is a deficient number, since it is larger than the sum of its proper divisors (3326170).

4127990 is a wasteful number, since it uses less digits than its factorization.

4127990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4127990 is about 2031.7455549355. The cubic root of 4127990 is about 160.4154567477.

The spelling of 4127990 in words is "four million, one hundred twenty-seven thousand, nine hundred ninety".