2421268 has 12 divisors (see below), whose sum is σ = 4383540. Its totient is φ = 1168832.

The previous prime is 2421253. The next prime is 2421277. The reversal of 2421268 is 8621242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1024144 + 1397124 = 1012^2 + 1182^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10321 + ... + 10552.

It is an arithmetic number, because the mean of its divisors is an integer number (365295).

2^2421268 is an apocalyptic number.

It is an amenable number.

2421268 is a deficient number, since it is larger than the sum of its proper divisors (1962272).

2421268 is a wasteful number, since it uses less digits than its factorization.

2421268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20906 (or 20904 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2421268 is about 1556.0424158743. The cubic root of 2421268 is about 134.2809136226.

The spelling of 2421268 in words is "two million, four hundred twenty-one thousand, two hundred sixty-eight".