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8895421 is a prime number
BaseRepresentation
bin100001111011…
…101110111101
3121201221020001
4201323232331
54234123141
6514354301
7135416113
oct41735675
917657201
108895421
115026297
122b8b991
131ac5b82
141277ab3
15baaa31
hex87bbbd

8895421 has 2 divisors, whose sum is σ = 8895422. Its totient is φ = 8895420.

The previous prime is 8895413. The next prime is 8895427. The reversal of 8895421 is 1245988.

8895421 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 can be written as a sum of positive squares in only one way, i.e., 6300100 + 2595321 = 2510^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 8895421 - 23 = 8895413 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8895427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447710 + 4447711.

It is an arithmetic number, because the mean of its divisors is an integer number (4447711).

Almost surely, 28895421 is an apocalyptic number.

It is an amenable number.

8895421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8895421 is an equidigital number, since it uses as much as digits as its factorization.

8895421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 8895421 is about 2982.5192371551. The cubic root of 8895421 is about 207.1995632758.

It can be divided in two parts, 8895 and 421, that added together give a triangular number (9316 = T136).

The spelling of 8895421 in words is "eight million, eight hundred ninety-five thousand, four hundred twenty-one".