102393863 has 16 divisors (see below), whose sum is σ = 121758336. Its totient is φ = 84879840.

The previous prime is 102393859. The next prime is 102393883. The reversal of 102393863 is 368393201.

It is a cyclic number.

It is not a de Polignac number, because 102393863 - 2² = 102393859 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 (102393803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7556 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (7609896).

Almost surely, 2^102393863 is an apocalyptic number.

102393863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102393863 is a deficient number, since it is larger than the sum of its proper divisors (19364473).

102393863 is a wasteful number, since it uses less digits than its factorization.

102393863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 102393863 is about 10118.9852752141. The cubic root of 102393863 is about 467.8334917311.

The spelling of 102393863 in words is "one hundred two million, three hundred ninety-three thousand, eight hundred sixty-three".