Search a number
-
+
3885856 = 25139341
BaseRepresentation
bin1110110100101100100000
321022102101121
432310230200
51443321411
6215142024
745013012
oct16645440
97272347
103885856
112214557
121374914
13a60930
147321b2
1551b571
hex3b4b20

3885856 has 24 divisors (see below), whose sum is σ = 8239644. Its totient is φ = 1793280.

The previous prime is 3885841. The next prime is 3885859. The reversal of 3885856 is 6585883.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 336400 = 1884^2 + 580^2 .

It is not an unprimeable number, because it can be changed into a prime (3885859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255 + ... + 5086.

Almost surely, 23885856 is an apocalyptic number.

It is an amenable number.

3885856 is an abundant number, since it is smaller than the sum of its proper divisors (4353788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3885856 is a wasteful number, since it uses less digits than its factorization.

3885856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364 (or 9356 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 3885856 is about 1971.2574666948. The cubic root of 3885856 is about 157.2155746881.

The spelling of 3885856 in words is "three million, eight hundred eighty-five thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 9341 18682 37364 74728 121433 149456 242866 298912 485732 971464 1942928 3885856