8323921 has 8 divisors (see below), whose sum is σ = 8449280. Its totient is φ = 8199792.

The previous prime is 8323891. The next prime is 8323933. The reversal of 8323921 is 1293238.

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 8323921 - 2⁷ = 8323793 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 8323921.

It is not an unprimeable number, because it can be changed into a prime (8323951) 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, 36235 + ... + 36463.

It is an arithmetic number, because the mean of its divisors is an integer number (1056160).

Almost surely, 2^8323921 is an apocalyptic number.

It is an amenable number.

8323921 is a deficient number, since it is larger than the sum of its proper divisors (125359).

8323921 is a wasteful number, since it uses less digits than its factorization.

8323921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 2592, while the sum is 28.

The square root of 8323921 is about 2885.1206213952. The cubic root of 8323921 is about 202.6637074798.

It can be divided in two parts, 832 and 3921, that added together give a triangular number (4753 = T₉₇).

The spelling of 8323921 in words is "eight million, three hundred twenty-three thousand, nine hundred twenty-one".