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8995997 is a prime number
BaseRepresentation
bin100010010100…
…010010011101
3121221001012002
4202110102131
54300332442
6520452045
7136315253
oct42242235
917831162
108995997
11509490a
12301a025
131b2c89a
1412a25d3
15bca732
hex89449d

8995997 has 2 divisors, whose sum is σ = 8995998. Its totient is φ = 8995996.

The previous prime is 8995993. The next prime is 8996011. The reversal of 8995997 is 7995998.

8995997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8844676 + 151321 = 2974^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 8995997 - 22 = 8995993 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 (8995993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4497998 + 4497999.

It is an arithmetic number, because the mean of its divisors is an integer number (4497999).

Almost surely, 28995997 is an apocalyptic number.

It is an amenable number.

8995997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8995997 is an equidigital number, since it uses as much as digits as its factorization.

8995997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 56.

The square root of 8995997 is about 2999.3327591316. The cubic root of 8995997 is about 207.9775385632.

Subtracting from 8995997 its reverse (7995998), we obtain a palindrome (999999).

The spelling of 8995997 in words is "eight million, nine hundred ninety-five thousand, nine hundred ninety-seven".