8301921 has 8 divisors (see below), whose sum is σ = 11082624. Its totient is φ = 5527920.

The previous prime is 8301911. The next prime is 8301947. The reversal of 8301921 is 1291038.

8301921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8301921 - 2⁶ = 8301857 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8301891 and 8301900.

It is not an unprimeable number, because it can be changed into a prime (8301901) 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, 3531 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1385328).

Almost surely, 2^8301921 is an apocalyptic number.

It is an amenable number.

8301921 is a deficient number, since it is larger than the sum of its proper divisors (2780703).

8301921 is a wasteful number, since it uses less digits than its factorization.

8301921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 8301921 is about 2881.3054333062. The cubic root of 8301921 is about 202.4850042241.

Adding to 8301921 its reverse (1291038), we get a palindrome (9592959).

The spelling of 8301921 in words is "eight million, three hundred one thousand, nine hundred twenty-one".