102239968 has 48 divisors (see below), whose sum is σ = 214081056. Its totient is φ = 47956480.

The previous prime is 102239947. The next prime is 102239971. The reversal of 102239968 is 869932201.

It is a happy number.

It is a super-2 number, since 2×102239968² = 20906022113282048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102239968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37698 + ... + 40318.

It is an arithmetic number, because the mean of its divisors is an integer number (4460022).

Almost surely, 2^102239968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102239968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107040528).

102239968 is an abundant number, since it is smaller than the sum of its proper divisors (111841088).

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

102239968 is a wasteful number, since it uses less digits than its factorization.

102239968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 102239968 is about 10111.3781454360. The cubic root of 102239968 is about 467.5989941640.

The spelling of 102239968 in words is "one hundred two million, two hundred thirty-nine thousand, nine hundred sixty-eight".