4633921 has 4 divisors (see below), whose sum is σ = 4703152. Its totient is φ = 4564692.

The previous prime is 4633913. The next prime is 4633931. The reversal of 4633921 is 1293364.

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 a cyclic number.

It is not a de Polignac number, because 4633921 - 2³ = 4633913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4633921.

It is not an unprimeable number, because it can be changed into a prime (4633901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34515 + ... + 34648.

It is an arithmetic number, because the mean of its divisors is an integer number (1175788).

Almost surely, 2^4633921 is an apocalyptic number.

It is an amenable number.

4633921 is a deficient number, since it is larger than the sum of its proper divisors (69231).

4633921 is an equidigital number, since it uses as much as digits as its factorization.

4633921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69230.

The product of its digits is 3888, while the sum is 28.

The square root of 4633921 is about 2152.6544079345. The cubic root of 4633921 is about 166.7181472080.

It can be divided in two parts, 46339 and 21, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 4633921 in words is "four million, six hundred thirty-three thousand, nine hundred twenty-one".