105926990 has 16 divisors (see below), whose sum is σ = 205335648. Its totient is φ = 39111456.

The previous prime is 105926987. The next prime is 105927011. The reversal of 105926990 is 99629501.

It is a super-2 number, since 2×105926990² = 22441054420920200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 407282 + ... + 407541.

It is an arithmetic number, because the mean of its divisors is an integer number (12833478).

Almost surely, 2^105926990 is an apocalyptic number.

105926990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105926990 is a deficient number, since it is larger than the sum of its proper divisors (99408658).

105926990 is a wasteful number, since it uses less digits than its factorization.

105926990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814843.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 105926990 is about 10292.0838511936. The cubic root of 105926990 is about 473.1536672919.

The spelling of 105926990 in words is "one hundred five million, nine hundred twenty-six thousand, nine hundred ninety".