8876921 has 2 divisors, whose sum is σ = 8876922. Its totient is φ = 8876920.

The previous prime is 8876911. The next prime is 8876927. The reversal of 8876921 is 1296788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 2805625 = 2464^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 8876921 - 2¹⁸ = 8614777 is a prime.

It is not a weakly prime, because it can be changed into another prime (8876927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4438460 + 4438461.

It is an arithmetic number, because the mean of its divisors is an integer number (4438461).

Almost surely, 2^8876921 is an apocalyptic number.

It is an amenable number.

8876921 is a deficient number, since it is larger than the sum of its proper divisors (1).

8876921 is an equidigital number, since it uses as much as digits as its factorization.

8876921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 8876921 is about 2979.4162179863. The cubic root of 8876921 is about 207.0558244421.

The spelling of 8876921 in words is "eight million, eight hundred seventy-six thousand, nine hundred twenty-one".