4328621 has 8 divisors (see below), whose sum is σ = 4800288. Its totient is φ = 3870000.

The previous prime is 4328617. The next prime is 4328629. The reversal of 4328621 is 1268234.

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

It is a cyclic number.

It is not a de Polignac number, because 4328621 - 2² = 4328617 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 (4328629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (600036).

Almost surely, 2^4328621 is an apocalyptic number.

It is an amenable number.

4328621 is a deficient number, since it is larger than the sum of its proper divisors (471667).

4328621 is a wasteful number, since it uses less digits than its factorization.

4328621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523.

The product of its digits is 2304, while the sum is 26.

The square root of 4328621 is about 2080.5338257284. The cubic root of 4328621 is about 162.9733229455.

The spelling of 4328621 in words is "four million, three hundred twenty-eight thousand, six hundred twenty-one".