2421996 has 12 divisors (see below), whose sum is σ = 5651352. Its totient is φ = 807328.

The previous prime is 2421989. The next prime is 2421997. The reversal of 2421996 is 6991242.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2421997) 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, 100905 + ... + 100928.

It is an arithmetic number, because the mean of its divisors is an integer number (470946).

2^2421996 is an apocalyptic number.

It is an amenable number.

2421996 is an abundant number, since it is smaller than the sum of its proper divisors (3229356).

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

2421996 is a wasteful number, since it uses less digits than its factorization.

2421996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201840 (or 201838 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 2421996 is about 1556.2763250786. The cubic root of 2421996 is about 134.2943703058.

The spelling of 2421996 in words is "two million, four hundred twenty-one thousand, nine hundred ninety-six".