100381893 has 8 divisors (see below), whose sum is σ = 134002848. Its totient is φ = 66841104.

The previous prime is 100381877. The next prime is 100381907. The reversal of 100381893 is 398183001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100381893 - 2⁴ = 100381877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100381873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17055 + ... + 22172.

It is an arithmetic number, because the mean of its divisors is an integer number (16750356).

Almost surely, 2^100381893 is an apocalyptic number.

It is an amenable number.

100381893 is a deficient number, since it is larger than the sum of its proper divisors (33620955).

100381893 is an equidigital number, since it uses as much as digits as its factorization.

100381893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40083.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 100381893 is about 10019.0764544443. The cubic root of 100381893 is about 464.7489962258.

The spelling of 100381893 in words is "one hundred million, three hundred eighty-one thousand, eight hundred ninety-three".