2421896 has 16 divisors (see below), whose sum is σ = 4589340. Its totient is φ = 1198080.

The previous prime is 2421893. The next prime is 2421901. The reversal of 2421896 is 6981242.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 376996 = 1430^2 + 614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421893) 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, 785 + ... + 2336.

2^2421896 is an apocalyptic number.

It is an amenable number.

2421896 is a deficient number, since it is larger than the sum of its proper divisors (2167444).

2421896 is a wasteful number, since it uses less digits than its factorization.

2421896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3220 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2421896 is about 1556.2441967763. The cubic root of 2421896 is about 134.2925220201.

The spelling of 2421896 in words is "two million, four hundred twenty-one thousand, eight hundred ninety-six".