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3869236 = 2272191039
BaseRepresentation
bin1110110000101000110100
321021120121001
432300220310
51442303421
6214533044
744613400
oct16605064
97246531
103869236
112203018
121367184
13a561b7
1472a100
15516691
hex3b0a34

3869236 has 36 divisors (see below), whose sum is σ = 8299200. Its totient is φ = 1569456.

The previous prime is 3869231. The next prime is 3869263. The reversal of 3869236 is 6329683.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3869195 and 3869204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3205 + ... + 4243.

Almost surely, 23869236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4149600).

3869236 is an abundant number, since it is smaller than the sum of its proper divisors (4429964).

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

3869236 is a wasteful number, since it uses less digits than its factorization.

3869236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1067 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 3869236 is about 1967.0373661931. The cubic root of 3869236 is about 156.9911147554.

The spelling of 3869236 in words is "three million, eight hundred sixty-nine thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 532 931 1039 1862 2078 3724 4156 7273 14546 19741 29092 39482 50911 78964 101822 138187 203644 276374 552748 967309 1934618 3869236