4632021 has 6 divisors (see below), whose sum is σ = 6690710. Its totient is φ = 3088008.

The previous prime is 4632011. The next prime is 4632053. The reversal of 4632021 is 1202364.

It is a happy number.

4632021 is a `hidden beast` number, since 463 + 202 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3651921 + 980100 = 1911^2 + 990^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4632021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4631985 and 4632003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4632011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257326 + ... + 257343.

Almost surely, 2^4632021 is an apocalyptic number.

It is an amenable number.

4632021 is a deficient number, since it is larger than the sum of its proper divisors (2058689).

4632021 is a wasteful number, since it uses less digits than its factorization.

4632021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514675 (or 514672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4632021 is about 2152.2130470750. The cubic root of 4632021 is about 166.6953581716.

Adding to 4632021 its reverse (1202364), we get a palindrome (5834385).

It can be divided in two parts, 463202 and 1, that added together give a triangular number (463203 = T₉₆₂).

The spelling of 4632021 in words is "four million, six hundred thirty-two thousand, twenty-one".