3999127 has 4 divisors (see below), whose sum is σ = 4362696. Its totient is φ = 3635560.

The previous prime is 3999113. The next prime is 3999143. The reversal of 3999127 is 7219993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3999127 - 2⁷ = 3998999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3999127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999727) 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, 181768 + ... + 181789.

It is an arithmetic number, because the mean of its divisors is an integer number (1090674).

Almost surely, 2^3999127 is an apocalyptic number.

3999127 is a deficient number, since it is larger than the sum of its proper divisors (363569).

3999127 is a wasteful number, since it uses less digits than its factorization.

3999127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363568.

The product of its digits is 30618, while the sum is 40.

The square root of 3999127 is about 1999.7817380904. The cubic root of 3999127 is about 158.7285560139.

The spelling of 3999127 in words is "three million, nine hundred ninety-nine thousand, one hundred twenty-seven".