100982640 has 160 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 23618560.

The previous prime is 100982639. The next prime is 100982711. The reversal of 100982640 is 46289001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100982598 and 100982607.

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 31 ways as a sum of consecutive naturals, for example, 75901 + ... + 77219.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^100982640 is an apocalyptic number.

100982640 is a gapful number since it is divisible by the number (10) 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 100982640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

100982640 is an abundant number, since it is smaller than the sum of its proper divisors (252566160).

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

100982640 is a wasteful number, since it uses less digits than its factorization.

100982640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 100982640 is about 10049.0118917235. The cubic root of 100982640 is about 465.6742675073.

The spelling of 100982640 in words is "one hundred million, nine hundred eighty-two thousand, six hundred forty".