102396728 has 32 divisors (see below), whose sum is σ = 219871200. Its totient is φ = 43794432.

The previous prime is 102396673. The next prime is 102396731. The reversal of 102396728 is 827693201.

It is a junction number, because it is equal to n+sod(n) for n = 102396691 and 102396700.

It is a congruent number.

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, 30728 + ... + 33896.

It is an arithmetic number, because the mean of its divisors is an integer number (6870975).

Almost surely, 2^102396728 is an apocalyptic number.

It is an amenable number.

102396728 is an abundant number, since it is smaller than the sum of its proper divisors (117474472).

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

102396728 is a wasteful number, since it uses less digits than its factorization.

102396728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 102396728 is about 10119.1268398019. The cubic root of 102396728 is about 467.8378550474.

The spelling of 102396728 in words is "one hundred two million, three hundred ninety-six thousand, seven hundred twenty-eight".