4629621 has 4 divisors (see below), whose sum is σ = 6172832. Its totient is φ = 3086412.

The previous prime is 4629617. The next prime is 4629623. The reversal of 4629621 is 1269264.

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 4629621 - 2² = 4629617 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771601 + ... + 771606.

It is an arithmetic number, because the mean of its divisors is an integer number (1543208).

Almost surely, 2^4629621 is an apocalyptic number.

It is an amenable number.

4629621 is a deficient number, since it is larger than the sum of its proper divisors (1543211).

4629621 is a wasteful number, since it uses less digits than its factorization.

4629621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543210.

The product of its digits is 5184, while the sum is 30.

The square root of 4629621 is about 2151.6554092140. The cubic root of 4629621 is about 166.6665631110. Note that the first 3 decimals are identical.

The spelling of 4629621 in words is "four million, six hundred twenty-nine thousand, six hundred twenty-one".