100838495 has 4 divisors (see below), whose sum is σ = 121006200. Its totient is φ = 80670792.

The previous prime is 100838471. The next prime is 100838503. The reversal of 100838495 is 594838001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100838495 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 10083845 + ... + 10083854.

It is an arithmetic number, because the mean of its divisors is an integer number (30251550).

Almost surely, 2^100838495 is an apocalyptic number.

100838495 is a deficient number, since it is larger than the sum of its proper divisors (20167705).

100838495 is an equidigital number, since it uses as much as digits as its factorization.

100838495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20167704.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 100838495 is about 10041.8372322997. The cubic root of 100838495 is about 465.4525905238.

The spelling of 100838495 in words is "one hundred million, eight hundred thirty-eight thousand, four hundred ninety-five".