105326990 has 16 divisors (see below), whose sum is σ = 189729648. Its totient is φ = 42099456.

The previous prime is 105326989. The next prime is 105326993. The reversal of 105326990 is 99623501.

It is a super-2 number, since 2×105326990² = 22187549644920200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105326990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105326993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14174 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (11858103).

Almost surely, 2^105326990 is an apocalyptic number.

105326990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105326990 is a deficient number, since it is larger than the sum of its proper divisors (84402658).

105326990 is a wasteful number, since it uses less digits than its factorization.

105326990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 105326990 is about 10262.8938414075. The cubic root of 105326990 is about 472.2586171308.

The spelling of 105326990 in words is "one hundred five million, three hundred twenty-six thousand, nine hundred ninety".