2291996 has 24 divisors (see below), whose sum is σ = 4784640. Its totient is φ = 939312.

The previous prime is 2291987. The next prime is 2291999. The reversal of 2291996 is 6991922.

2291996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (199360).

2^2291996 is an apocalyptic number.

It is an amenable number.

2291996 is an abundant number, since it is smaller than the sum of its proper divisors (2492644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2291996 is a wasteful number, since it uses less digits than its factorization.

2291996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3591 counting only the distinct ones).

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

The square root of 2291996 is about 1513.9339483610. The cubic root of 2291996 is about 131.8473135052.

The spelling of 2291996 in words is "two million, two hundred ninety-one thousand, nine hundred ninety-six".