Search a number
-
+
3885378 = 237791171
BaseRepresentation
bin1110110100100101000010
321022101201220
432310211002
51443313003
6215135510
745011430
oct16644502
97271656
103885378
112214162
121374596
13a60653
14731d50
1551b353
hex3b4942

3885378 has 32 divisors (see below), whose sum is σ = 9000960. Its totient is φ = 1095120.

The previous prime is 3885373. The next prime is 3885379. The reversal of 3885378 is 8735883.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (281280).

Almost surely, 23885378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3885378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500480).

3885378 is an abundant number, since it is smaller than the sum of its proper divisors (5115582).

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

3885378 is a wasteful number, since it uses less digits than its factorization.

3885378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 161280, while the sum is 42.

The square root of 3885378 is about 1971.1362205591. The cubic root of 3885378 is about 157.2091280496.

The spelling of 3885378 in words is "three million, eight hundred eighty-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 79 158 237 474 553 1106 1171 1659 2342 3318 3513 7026 8197 16394 24591 49182 92509 185018 277527 555054 647563 1295126 1942689 3885378