2421966 has 8 divisors (see below), whose sum is σ = 4843944. Its totient is φ = 807320.

The previous prime is 2421959. The next prime is 2421971. The reversal of 2421966 is 6691242.

It is a sphenic number, since it is the product of 3 distinct primes.

2421966 is an admirable number.

It is an Ulam number.

It is a Curzon number.

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, 201825 + ... + 201836.

It is an arithmetic number, because the mean of its divisors is an integer number (605493).

2^2421966 is an apocalyptic number.

2421966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2421966 is a wasteful number, since it uses less digits than its factorization.

2421966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403666.

The product of its digits is 5184, while the sum is 30.

The square root of 2421966 is about 1556.2666866575. The cubic root of 2421966 is about 134.2938158254.

The spelling of 2421966 in words is "two million, four hundred twenty-one thousand, nine hundred sixty-six".