102685693 has 16 divisors (see below), whose sum is σ = 115853184. Its totient is φ = 90192960.

The previous prime is 102685679. The next prime is 102685697. The reversal of 102685693 is 396586201.

It is a de Polignac number, because none of the positive numbers 2^k-102685693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102685697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63096 + ... + 64702.

It is an arithmetic number, because the mean of its divisors is an integer number (7240824).

Almost surely, 2^102685693 is an apocalyptic number.

It is an amenable number.

102685693 is a deficient number, since it is larger than the sum of its proper divisors (13167491).

102685693 is a wasteful number, since it uses less digits than its factorization.

102685693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 102685693 is about 10133.3949395057. The cubic root of 102685693 is about 468.2775233820.

The spelling of 102685693 in words is "one hundred two million, six hundred eighty-five thousand, six hundred ninety-three".