2427021 has 12 divisors (see below), whose sum is σ = 3619200. Its totient is φ = 1565640.

The previous prime is 2427001. The next prime is 2427043. The reversal of 2427021 is 1207242.

It is not a de Polignac number, because 2427021 - 2¹¹ = 2424973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2426985 and 2427003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4071 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (301600).

2^2427021 is an apocalyptic number.

It is an amenable number.

2427021 is a deficient number, since it is larger than the sum of its proper divisors (1192179).

2427021 is a wasteful number, since it uses less digits than its factorization.

2427021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736 (or 8733 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2427021 is about 1557.8899190893. The cubic root of 2427021 is about 134.3871812285.

The spelling of 2427021 in words is "two million, four hundred twenty-seven thousand, twenty-one".