100381736 has 64 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 37370880.

The previous prime is 100381733. The next prime is 100381741. The reversal of 100381736 is 637183001.

It is a junction number, because it is equal to n+sod(n) for n = 100381699 and 100381708.

It is not an unprimeable number, because it can be changed into a prime (100381733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8321 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2^100381736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100381736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122653440).

100381736 is an abundant number, since it is smaller than the sum of its proper divisors (144925144).

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

100381736 is a wasteful number, since it uses less digits than its factorization.

100381736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154 (or 8150 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 100381736 is about 10019.0686193877. The cubic root of 100381736 is about 464.7487539323.

The spelling of 100381736 in words is "one hundred million, three hundred eighty-one thousand, seven hundred thirty-six".