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8899469 is a prime number
BaseRepresentation
bin100001111100…
…101110001101
3121202010202222
4201330232031
54234240334
6514425125
7135433655
oct41745615
917663688
108899469
115029337
122b921a5
131ac7977
141279365
15babd2e
hex87cb8d

8899469 has 2 divisors, whose sum is σ = 8899470. Its totient is φ = 8899468.

The previous prime is 8899463. The next prime is 8899477. The reversal of 8899469 is 9649988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 126025 = 2962^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 8899469 - 24 = 8899453 is a prime.

It is a super-2 number, since 2×88994692 = 158401096963922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8899469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8899463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449734 + 4449735.

It is an arithmetic number, because the mean of its divisors is an integer number (4449735).

Almost surely, 28899469 is an apocalyptic number.

It is an amenable number.

8899469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8899469 is an equidigital number, since it uses as much as digits as its factorization.

8899469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 53.

The square root of 8899469 is about 2983.1977809056. The cubic root of 8899469 is about 207.2309883066.

The spelling of 8899469 in words is "eight million, eight hundred ninety-nine thousand, four hundred sixty-nine".