106244391 has 16 divisors (see below), whose sum is σ = 156135168. Its totient is φ = 63724800.

The previous prime is 106244389. The next prime is 106244401. The reversal of 106244391 is 193442601.

It is not a de Polignac number, because 106244391 - 2¹ = 106244389 is a prime.

It is a super-2 number, since 2×106244391² = 22575741237921762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106244311) 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 15 ways as a sum of consecutive naturals, for example, 13395 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (9758448).

Almost surely, 2^106244391 is an apocalyptic number.

106244391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106244391 is a deficient number, since it is larger than the sum of its proper divisors (49890777).

106244391 is a wasteful number, since it uses less digits than its factorization.

106244391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33302.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 106244391 is about 10307.4919839891. The cubic root of 106244391 is about 473.6257839717.

Adding to 106244391 its reverse (193442601), we get a palindrome (299686992).

The spelling of 106244391 in words is "one hundred six million, two hundred forty-four thousand, three hundred ninety-one".