2421008 has 20 divisors (see below), whose sum is σ = 4715100. Its totient is φ = 1204224.

The previous prime is 2420993. The next prime is 2421031. The reversal of 2421008 is 8001242.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 1364224 = 1028^2 + 1168^2 .

It is a super-2 number, since 2×2421008² = 11722559472128, which contains 22 as substring.

It is a plaindrome in base 3 and base 9.

It is a zygodrome in base 3 and base 9.

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, 5168 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (235755).

2^2421008 is an apocalyptic number.

It is an amenable number.

2421008 is a deficient number, since it is larger than the sum of its proper divisors (2294092).

2421008 is a wasteful number, since it uses less digits than its factorization.

2421008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2421008 is about 1555.9588683510. The cubic root of 2421008 is about 134.2761070106.

Adding to 2421008 its product of nonzero digits (128), we get a square (2421136 = 1556²).

The spelling of 2421008 in words is "two million, four hundred twenty-one thousand, eight".