105839998 has 16 divisors (see below), whose sum is σ = 174981744. Its totient is φ = 47612160.

The previous prime is 105839969. The next prime is 105840001. The reversal of 105839998 is 899938501.

It is a super-2 number, since 2×105839998² = 22404210353280008, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22665 + ... + 26932.

It is an arithmetic number, because the mean of its divisors is an integer number (10936359).

Almost surely, 2^105839998 is an apocalyptic number.

105839998 is a deficient number, since it is larger than the sum of its proper divisors (69141746).

105839998 is a wasteful number, since it uses less digits than its factorization.

105839998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49707.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 105839998 is about 10287.8568224874. The cubic root of 105839998 is about 473.0241068068.

The spelling of 105839998 in words is "one hundred five million, eight hundred thirty-nine thousand, nine hundred ninety-eight".