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3840853 is a prime number
BaseRepresentation
bin1110101001101101010101
321020010122211
432221231111
51440401403
6214153421
744434552
oct16515525
97203584
103840853
112193765
121352871
13a462c3
1471da29
1550d06d
hex3a9b55

3840853 has 2 divisors, whose sum is σ = 3840854. Its totient is φ = 3840852.

The previous prime is 3840829. The next prime is 3840911. The reversal of 3840853 is 3580483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2184484 + 1656369 = 1478^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840853 - 25 = 3840821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3840253) 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, 1920426 + 1920427.

It is an arithmetic number, because the mean of its divisors is an integer number (1920427).

Almost surely, 23840853 is an apocalyptic number.

It is an amenable number.

3840853 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840853 is an equidigital number, since it uses as much as digits as its factorization.

3840853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3840853 is about 1959.8094295109. The cubic root of 3840853 is about 156.6062998650.

It can be divided in two parts, 3840 and 853, that multiplied together give a triangular number (3275520 = T2559).

The spelling of 3840853 in words is "three million, eight hundred forty thousand, eight hundred fifty-three".