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3829 = 7547
BaseRepresentation
bin111011110101
312020211
4323311
5110304
625421
714110
oct7365
95224
103829
112971
122271
131987
141577
151204
hexef5

3829 has 4 divisors (see below), whose sum is σ = 4384. Its totient is φ = 3276.

The previous prime is 3823. The next prime is 3833. The reversal of 3829 is 9283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3829 - 23 = 3821 is a prime.

It is a super-2 number, since 2×38292 = 29322482, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 3829 parts by 87 straight cuts.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821) 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, 267 + ... + 280.

It is an arithmetic number, because the mean of its divisors is an integer number (1096).

It is an amenable number.

3829 is a deficient number, since it is larger than the sum of its proper divisors (555).

3829 is an equidigital number, since it uses as much as digits as its factorization.

3829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its digits is 432, while the sum is 22.

The square root of 3829 is about 61.8789140176. The cubic root of 3829 is about 15.6445036448.

The spelling of 3829 in words is "three thousand, eight hundred twenty-nine".

Divisors: 1 7 547 3829