102386 has 4 divisors (see below), whose sum is σ = 153582. Its totient is φ = 51192.

The previous prime is 102367. The next prime is 102397. The reversal of 102386 is 683201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101761 + 625 = 319^2 + 25^2 .

It is an Ulam number.

It is a plaindrome in base 13.

It is an unprimeable number.

102386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25595 + ... + 25598.

2¹⁰²³⁸⁶ is an apocalyptic number.

102386 is a deficient number, since it is larger than the sum of its proper divisors (51196).

102386 is an equidigital number, since it uses as much as digits as its factorization.

102386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51195.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102386 is about 319.9781242523. The cubic root of 102386 is about 46.7821516180.

Adding to 102386 its reverse (683201), we get a palindrome (785587).

It can be divided in two parts, 1023 and 86, that multiplied together give a palindrome (87978).

The spelling of 102386 in words is "one hundred two thousand, three hundred eighty-six".