102386394 has 48 divisors (see below), whose sum is σ = 242835840. Its totient is φ = 30919680.

The previous prime is 102386387. The next prime is 102386411. The reversal of 102386394 is 493683201.

102386394 is a `hidden beast` number, since 10 + 2 + 3 + 8 + 639 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 71962 + ... + 73370.

It is an arithmetic number, because the mean of its divisors is an integer number (5059080).

Almost surely, 2^102386394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102386394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121417920).

102386394 is an abundant number, since it is smaller than the sum of its proper divisors (140449446).

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

102386394 is a wasteful number, since it uses less digits than its factorization.

102386394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 102386394 is about 10118.6162097394. The cubic root of 102386394 is about 467.8221162664.

The spelling of 102386394 in words is "one hundred two million, three hundred eighty-six thousand, three hundred ninety-four".