8382121 has 16 divisors (see below), whose sum is σ = 9658368. Its totient is φ = 7203600.

The previous prime is 8382113. The next prime is 8382133. The reversal of 8382121 is 1212838.

It is a cyclic number.

It is not a de Polignac number, because 8382121 - 2³ = 8382113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8382151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15766 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (603648).

Almost surely, 2^8382121 is an apocalyptic number.

It is an amenable number.

8382121 is a deficient number, since it is larger than the sum of its proper divisors (1276247).

8382121 is a wasteful number, since it uses less digits than its factorization.

8382121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 768, while the sum is 25.

The square root of 8382121 is about 2895.1892856945. The cubic root of 8382121 is about 203.1349455012.

Adding to 8382121 its reverse (1212838), we get a palindrome (9594959).

The spelling of 8382121 in words is "eight million, three hundred eighty-two thousand, one hundred twenty-one".