4106991 has 16 divisors (see below), whose sum is σ = 6293504. Its totient is φ = 2333664.

The previous prime is 4106987. The next prime is 4107007. The reversal of 4106991 is 1996014.

It is not a de Polignac number, because 4106991 - 2² = 4106987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4106491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4245 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (393344).

Almost surely, 2^4106991 is an apocalyptic number.

4106991 is a deficient number, since it is larger than the sum of its proper divisors (2186513).

4106991 is a wasteful number, since it uses less digits than its factorization.

4106991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 4106991 is about 2026.5712422710. The cubic root of 4106991 is about 160.1429841632.

The spelling of 4106991 in words is "four million, one hundred six thousand, nine hundred ninety-one".