2421983 has 8 divisors (see below), whose sum is σ = 2527152. Its totient is φ = 2318976.

The previous prime is 2421971. The next prime is 2421989. The reversal of 2421983 is 3891242.

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

It is a cyclic number.

It is not a de Polignac number, because 2421983 - 2⁶ = 2421919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (315894).

2^2421983 is an apocalyptic number.

2421983 is a deficient number, since it is larger than the sum of its proper divisors (105169).

2421983 is an equidigital number, since it uses as much as digits as its factorization.

2421983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 3456, while the sum is 29.

The square root of 2421983 is about 1556.2721484368. The cubic root of 2421983 is about 134.2941300315.

The spelling of 2421983 in words is "two million, four hundred twenty-one thousand, nine hundred eighty-three".