2466021 has 4 divisors (see below), whose sum is σ = 3288032. Its totient is φ = 1644012.

The previous prime is 2466011. The next prime is 2466041. The reversal of 2466021 is 1206642.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2466021 - 2⁵ = 2465989 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

2466021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411001 + ... + 411006.

It is an arithmetic number, because the mean of its divisors is an integer number (822008).

2^2466021 is an apocalyptic number.

It is an amenable number.

2466021 is a deficient number, since it is larger than the sum of its proper divisors (822011).

2466021 is an equidigital number, since it uses as much as digits as its factorization.

2466021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822010.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2466021 is about 1570.3569657884. The cubic root of 2466021 is about 135.1031858571.

The spelling of 2466021 in words is "two million, four hundred sixty-six thousand, twenty-one".