102386289 has 16 divisors (see below), whose sum is σ = 140520960. Its totient is φ = 66263040.

The previous prime is 102386281. The next prime is 102386293. The reversal of 102386289 is 982683201.

It is a happy number.

It is not a de Polignac number, because 102386289 - 2³ = 102386281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102386281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70432 + ... + 71870.

It is an arithmetic number, because the mean of its divisors is an integer number (8782560).

Almost surely, 2^102386289 is an apocalyptic number.

It is an amenable number.

102386289 is a deficient number, since it is larger than the sum of its proper divisors (38134671).

102386289 is a wasteful number, since it uses less digits than its factorization.

102386289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 102386289 is about 10118.6110212815. The cubic root of 102386289 is about 467.8219563449.

The spelling of 102386289 in words is "one hundred two million, three hundred eighty-six thousand, two hundred eighty-nine".