4096991 has 8 divisors (see below), whose sum is σ = 4253184. Its totient is φ = 3942360.

The previous prime is 4096969. The next prime is 4096999. The reversal of 4096991 is 1996904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4096991 - 2⁶ = 4096927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4096999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8540 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (531648).

Almost surely, 2^4096991 is an apocalyptic number.

4096991 is a deficient number, since it is larger than the sum of its proper divisors (156193).

4096991 is a wasteful number, since it uses less digits than its factorization.

4096991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 4096991 is about 2024.1025171666. The cubic root of 4096991 is about 160.0129026053.

Subtracting from 4096991 its sum of digits (38), we obtain a triangular number (4096953 = T₂₈₆₂).

The spelling of 4096991 in words is "four million, ninety-six thousand, nine hundred ninety-one".