102386424 has 32 divisors (see below), whose sum is σ = 292533120. Its totient is φ = 29253216.

The previous prime is 102386423. The next prime is 102386447. The reversal of 102386424 is 424683201.

It is a junction number, because it is equal to n+sod(n) for n = 102386391 and 102386400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102386423) by changing a digit.

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, 304554 + ... + 304889.

It is an arithmetic number, because the mean of its divisors is an integer number (9141660).

Almost surely, 2^102386424 is an apocalyptic number.

102386424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102386424 is an abundant number, since it is smaller than the sum of its proper divisors (190146696).

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

102386424 is a wasteful number, since it uses less digits than its factorization.

102386424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609459 (or 609455 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 102386424 is about 10118.6176921554. The cubic root of 102386424 is about 467.8221619582.

The spelling of 102386424 in words is "one hundred two million, three hundred eighty-six thousand, four hundred twenty-four".