4634621 has 4 divisors (see below), whose sum is σ = 4639872. Its totient is φ = 4629372.

The previous prime is 4634561. The next prime is 4634633. The reversal of 4634621 is 1264364.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4634621 - 2¹⁸ = 4372477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4634321) 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, 941 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (1159968).

Almost surely, 2^4634621 is an apocalyptic number.

It is an amenable number.

4634621 is a deficient number, since it is larger than the sum of its proper divisors (5251).

4634621 is a wasteful number, since it uses less digits than its factorization.

4634621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its digits is 3456, while the sum is 26.

The square root of 4634621 is about 2152.8169917575. The cubic root of 4634621 is about 166.7265415985.

Adding to 4634621 its reverse (1264364), we get a palindrome (5898985).

The spelling of 4634621 in words is "four million, six hundred thirty-four thousand, six hundred twenty-one".