2421006 has 32 divisors (see below), whose sum is σ = 5633280. Its totient is φ = 679296.

The previous prime is 2420993. The next prime is 2421031. The reversal of 2421006 is 6001242.

2421006 = T₈ + T₉ + ... + T₂₄₃.

It is a super-2 number, since 2×2421006² = 11722540104072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

2^2421006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816640).

2421006 is an abundant number, since it is smaller than the sum of its proper divisors (3212274).

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

2421006 is a wasteful number, since it uses less digits than its factorization.

2421006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2421006 is about 1555.9582256603. The cubic root of 2421006 is about 134.2760700354.

Adding to 2421006 its reverse (6001242), we get a palindrome (8422248).

The spelling of 2421006 in words is "two million, four hundred twenty-one thousand, six".