105219398 has 8 divisors (see below), whose sum is σ = 158443992. Its totient is φ = 52404736.

The previous prime is 105219391. The next prime is 105219403. The reversal of 105219398 is 893912501.

105219398 is nontrivially palindromic in base 16.

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

It is a super-2 number, since 2×105219398² = 22142243430964808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105219391) 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 in 3 ways as a sum of consecutive naturals, for example, 101840 + ... + 102867.

It is an arithmetic number, because the mean of its divisors is an integer number (19805499).

Almost surely, 2^105219398 is an apocalyptic number.

105219398 is a deficient number, since it is larger than the sum of its proper divisors (53224594).

105219398 is a wasteful number, since it uses less digits than its factorization.

105219398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204966.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 105219398 is about 10257.6507056928. The cubic root of 105219398 is about 472.0977575694.

The spelling of 105219398 in words is "one hundred five million, two hundred nineteen thousand, three hundred ninety-eight".