4621309 has 8 divisors (see below), whose sum is σ = 5761728. Its totient is φ = 3600960.

The previous prime is 4621307. The next prime is 4621327. The reversal of 4621309 is 9031264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4621309 - 2¹ = 4621307 is a prime.

4621309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621307) 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 in 7 ways as a sum of consecutive naturals, for example, 29932 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (720216).

Almost surely, 2^4621309 is an apocalyptic number.

It is an amenable number.

4621309 is a deficient number, since it is larger than the sum of its proper divisors (1140419).

4621309 is a wasteful number, since it uses less digits than its factorization.

4621309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60035.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4621309 is about 2149.7230054126. The cubic root of 4621309 is about 166.5667592341.

It can be divided in two parts, 462 and 1309, that added together give a palindrome (1771).

The spelling of 4621309 in words is "four million, six hundred twenty-one thousand, three hundred nine".