102308838 has 16 divisors (see below), whose sum is σ = 205469616. Its totient is φ = 33960960.

The previous prime is 102308837. The next prime is 102308881. The reversal of 102308838 is 838803201.

It is a junction number, because it is equal to n+sod(n) for n = 102308799 and 102308808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102308837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33931 + ... + 36822.

It is an arithmetic number, because the mean of its divisors is an integer number (12841851).

Almost surely, 2^102308838 is an apocalyptic number.

102308838 is an abundant number, since it is smaller than the sum of its proper divisors (103160778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102308838 is a wasteful number, since it uses less digits than its factorization.

102308838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70999.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 102308838 is about 10114.7831415211. The cubic root of 102308838 is about 467.7039639234.

The spelling of 102308838 in words is "one hundred two million, three hundred eight thousand, eight hundred thirty-eight".