102385634 has 16 divisors (see below), whose sum is σ = 167101368. Its totient is φ = 46766592.

The previous prime is 102385609. The next prime is 102385643. The reversal of 102385634 is 436583201.

It can be written as a sum of positive squares in 4 ways, for example, as 93993025 + 8392609 = 9695^2 + 2897^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102385634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17777 + ... + 22820.

Almost surely, 2^102385634 is an apocalyptic number.

102385634 is a deficient number, since it is larger than the sum of its proper divisors (64715734).

102385634 is a wasteful number, since it uses less digits than its factorization.

102385634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40709.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 102385634 is about 10118.5786551274. The cubic root of 102385634 is about 467.8209587373.

The spelling of 102385634 in words is "one hundred two million, three hundred eighty-five thousand, six hundred thirty-four".