102246408 has 128 divisors (see below), whose sum is σ = 323481600. Its totient is φ = 29620800.

The previous prime is 102246383. The next prime is 102246409. The reversal of 102246408 is 804642201.

102246408 is a `hidden beast` number, since 10 + 2 + 2 + 4 + 640 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102246409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53713 + ... + 55583.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^102246408 is an apocalyptic number.

102246408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102246408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161740800).

102246408 is an abundant number, since it is smaller than the sum of its proper divisors (221235192).

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

102246408 is a wasteful number, since it uses less digits than its factorization.

102246408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 102246408 is about 10111.6965935495. The cubic root of 102246408 is about 467.6088118323.

Adding to 102246408 its reverse (804642201), we get a palindrome (906888609).

The spelling of 102246408 in words is "one hundred two million, two hundred forty-six thousand, four hundred eight".