8892991 has 2 divisors, whose sum is σ = 8892992. Its totient is φ = 8892990.

The previous prime is 8892907. The next prime is 8893009. The reversal of 8892991 is 1992988.

It is a happy number.

8892991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8892991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8892391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4446495 + 4446496.

It is an arithmetic number, because the mean of its divisors is an integer number (4446496).

Almost surely, 2^8892991 is an apocalyptic number.

8892991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8892991 is an equidigital number, since it uses as much as digits as its factorization.

8892991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 46.

The square root of 8892991 is about 2982.1118355957. Note that the first 3 decimals coincide. The cubic root of 8892991 is about 207.1806943621.

The spelling of 8892991 in words is "eight million, eight hundred ninety-two thousand, nine hundred ninety-one".