4060021 has 8 divisors (see below), whose sum is σ = 4652480. Its totient is φ = 3470688.

The previous prime is 4060019. The next prime is 4060037. The reversal of 4060021 is 1200604.

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 4060021 - 2¹ = 4060019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4059983 and 4060010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4060061) 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, 3865 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (581560).

Almost surely, 2^4060021 is an apocalyptic number.

It is an amenable number.

4060021 is a deficient number, since it is larger than the sum of its proper divisors (592459).

4060021 is an equidigital number, since it uses as much as digits as its factorization.

4060021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4060021 is about 2014.9493790168. The cubic root of 4060021 is about 159.5301450149.

Adding to 4060021 its reverse (1200604), we get a palindrome (5260625).

The spelling of 4060021 in words is "four million, sixty thousand, twenty-one".