4094991 has 12 divisors (see below), whose sum is σ = 6012760. Its totient is φ = 2684880.

The previous prime is 4094953. The next prime is 4094999. The reversal of 4094991 is 1994904.

It is not a de Polignac number, because 4094991 - 2⁶ = 4094927 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3181 + ... + 4278.

Almost surely, 2^4094991 is an apocalyptic number.

4094991 is a deficient number, since it is larger than the sum of its proper divisors (1917769).

4094991 is a wasteful number, since it uses less digits than its factorization.

4094991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 4094991 is about 2023.6084107356. The cubic root of 4094991 is about 159.9868609002.

The spelling of 4094991 in words is "four million, ninety-four thousand, nine hundred ninety-one".