4721843 has 8 divisors (see below), whose sum is σ = 5409888. Its totient is φ = 4037184.

The previous prime is 4721839. The next prime is 4721879. The reversal of 4721843 is 3481274.

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 4721843 - 2² = 4721839 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 7⁴ + 2¹⁹ + 1 + 8³ + 4¹¹ + 3⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721813) 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, 4055 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (676236).

Almost surely, 2^4721843 is an apocalyptic number.

4721843 is a deficient number, since it is larger than the sum of its proper divisors (688045).

4721843 is a wasteful number, since it uses less digits than its factorization.

4721843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 5376, while the sum is 29.

The square root of 4721843 is about 2172.9802115988. The cubic root of 4721843 is about 167.7659604884.

The spelling of 4721843 in words is "four million, seven hundred twenty-one thousand, eight hundred forty-three".