4634921 has 4 divisors (see below), whose sum is σ = 4676052. Its totient is φ = 4593792.

The previous prime is 4634899. The next prime is 4634923. The reversal of 4634921 is 1294364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 3168400 = 1211^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 4634921 - 2¹⁰ = 4633897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4634923) 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, 20396 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (1169013).

Almost surely, 2^4634921 is an apocalyptic number.

It is an amenable number.

4634921 is a deficient number, since it is larger than the sum of its proper divisors (41131).

4634921 is a wasteful number, since it uses less digits than its factorization.

4634921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41130.

The product of its digits is 5184, while the sum is 29.

The square root of 4634921 is about 2152.8866667802. The cubic root of 4634921 is about 166.7301389357.

It can be divided in two parts, 4634 and 921, that added together give a palindrome (5555).

The spelling of 4634921 in words is "four million, six hundred thirty-four thousand, nine hundred twenty-one".