100866838 has 4 divisors (see below), whose sum is σ = 151300260. Its totient is φ = 50433418.

The previous prime is 100866833. The next prime is 100866881. The reversal of 100866838 is 838668001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100866838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100866833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25216708 + ... + 25216711.

It is an arithmetic number, because the mean of its divisors is an integer number (37825065).

Almost surely, 2^100866838 is an apocalyptic number.

100866838 is a deficient number, since it is larger than the sum of its proper divisors (50433422).

100866838 is an equidigital number, since it uses as much as digits as its factorization.

100866838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50433421.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 100866838 is about 10043.2483788862. The cubic root of 100866838 is about 465.4961951907.

The spelling of 100866838 in words is "one hundred million, eight hundred sixty-six thousand, eight hundred thirty-eight".