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3895844 = 221815381
BaseRepresentation
bin1110110111001000100100
321022221002112
432313020210
51444131334
6215300152
745054101
oct16671044
97287075
103895844
112221007
12137a658
13a65344
14735aa8
1551e4ce
hex3b7224

3895844 has 12 divisors (see below), whose sum is σ = 6856668. Its totient is φ = 1936800.

The previous prime is 3895813. The next prime is 3895847. The reversal of 3895844 is 4485983.

3895844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 473344 + 3422500 = 688^2 + 1850^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3895847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (571389).

Almost surely, 23895844 is an apocalyptic number.

It is an amenable number.

3895844 is a deficient number, since it is larger than the sum of its proper divisors (2960824).

3895844 is a wasteful number, since it uses less digits than its factorization.

3895844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566 (or 5564 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 3895844 is about 1973.7892491348. The cubic root of 3895844 is about 157.3501589941.

The spelling of 3895844 in words is "three million, eight hundred ninety-five thousand, eight hundred forty-four".

Divisors: 1 2 4 181 362 724 5381 10762 21524 973961 1947922 3895844