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3836161 = 7279991
BaseRepresentation
bin1110101000100100000001
321012220020001
432220210001
51440224121
6214120001
744415100
oct16504401
97186201
103836161
11219018a
121350001
13a44124
1471c037
1550b991
hex3a8901

3836161 has 12 divisors (see below), whose sum is σ = 4523520. Its totient is φ = 3243240.

The previous prime is 3836153. The next prime is 3836171. The reversal of 3836161 is 1616383.

It is not a de Polignac number, because 3836161 - 23 = 3836153 is a prime.

It is a super-2 number, since 2×38361612 = 29432262435842, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3836171) 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, 3376 + ... + 4366.

It is an arithmetic number, because the mean of its divisors is an integer number (376960).

Almost surely, 23836161 is an apocalyptic number.

It is an amenable number.

3836161 is a deficient number, since it is larger than the sum of its proper divisors (687359).

3836161 is an equidigital number, since it uses as much as digits as its factorization.

3836161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1077 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 3836161 is about 1958.6120085407. The cubic root of 3836161 is about 156.5425036048.

The spelling of 3836161 in words is "three million, eight hundred thirty-six thousand, one hundred sixty-one".

Divisors: 1 7 49 79 553 991 3871 6937 48559 78289 548023 3836161