105219798 has 8 divisors (see below), whose sum is σ = 210439608. Its totient is φ = 35073264.

The previous prime is 105219767. The next prime is 105219809. The reversal of 105219798 is 897912501.

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

105219798 is an admirable number.

It is a super-2 number, since 2×105219798² = 22142411782321608, which contains 22 as substring.

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, 8768311 + ... + 8768322.

It is an arithmetic number, because the mean of its divisors is an integer number (26304951).

Almost surely, 2^105219798 is an apocalyptic number.

105219798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105219798 is a wasteful number, since it uses less digits than its factorization.

105219798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536638.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 105219798 is about 10257.6702033162. The cubic root of 105219798 is about 472.0983558078.

The spelling of 105219798 in words is "one hundred five million, two hundred nineteen thousand, seven hundred ninety-eight".