4491996 has 12 divisors (see below), whose sum is σ = 10481352. Its totient is φ = 1497328.

The previous prime is 4491989. The next prime is 4491997. The reversal of 4491996 is 6991944.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491997) 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, 187155 + ... + 187178.

It is an arithmetic number, because the mean of its divisors is an integer number (873446).

Almost surely, 2^4491996 is an apocalyptic number.

It is an amenable number.

4491996 is an abundant number, since it is smaller than the sum of its proper divisors (5989356).

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

4491996 is a wasteful number, since it uses less digits than its factorization.

4491996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374340 (or 374338 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 4491996 is about 2119.4329430298. The cubic root of 4491996 is about 164.9984205542.

The spelling of 4491996 in words is "four million, four hundred ninety-one thousand, nine hundred ninety-six".