35869 has 2 divisors, whose sum is σ = 35870. Its totient is φ = 35868.

The previous prime is 35863. The next prime is 35879. The reversal of 35869 is 96853.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34969 + 900 = 187^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 35869 - 2⁵ = 35837 is a prime.

It is a super-2 number, since 2×35869² = 2573170322, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 35869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17934 + 17935.

It is an arithmetic number, because the mean of its divisors is an integer number (17935).

2³⁵⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

35869 is a deficient number, since it is larger than the sum of its proper divisors (1).

35869 is an equidigital number, since it uses as much as digits as its factorization.

35869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 35869 is about 189.3911296761. The cubic root of 35869 is about 32.9791726553.

The spelling of 35869 in words is "thirty-five thousand, eight hundred sixty-nine".