4643629 has 2 divisors, whose sum is σ = 4643630. Its totient is φ = 4643628.

The previous prime is 4643623. The next prime is 4643633. The reversal of 4643629 is 9263464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 522729 = 2030^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 4643629 - 2³ = 4643621 is a prime.

It is a pancake number, because a pancake can be divided into 4643629 parts by 3047 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 4643594 and 4643603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4643621) 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 as a sum of consecutive naturals, namely, 2321814 + 2321815.

It is an arithmetic number, because the mean of its divisors is an integer number (2321815).

Almost surely, 2^4643629 is an apocalyptic number.

It is an amenable number.

4643629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643629 is an equidigital number, since it uses as much as digits as its factorization.

4643629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 4643629 is about 2154.9081186909. The cubic root of 4643629 is about 166.8344900662.

The spelling of 4643629 in words is "four million, six hundred forty-three thousand, six hundred twenty-nine".