8384121 has 24 divisors (see below), whose sum is σ = 13006560. Its totient is φ = 5337288.

The previous prime is 8384119. The next prime is 8384141. The reversal of 8384121 is 1214838.

It is not a de Polignac number, because 8384121 - 2¹ = 8384119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8384141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13990 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (541940).

Almost surely, 2^8384121 is an apocalyptic number.

It is an amenable number.

8384121 is a deficient number, since it is larger than the sum of its proper divisors (4622439).

8384121 is a wasteful number, since it uses less digits than its factorization.

8384121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 613 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 8384121 is about 2895.5346656533. The cubic root of 8384121 is about 203.1511004252.

Adding to 8384121 its reverse (1214838), we get a palindrome (9598959).

The spelling of 8384121 in words is "eight million, three hundred eighty-four thousand, one hundred twenty-one".