106390 has 8 divisors (see below), whose sum is σ = 191520. Its totient is φ = 42552.

The previous prime is 106373. The next prime is 106391. The reversal of 106390 is 93601.

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

It is a super-2 number, since 2×106390² = 22637664200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106391) 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, 5310 + ... + 5329.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2¹⁰⁶³⁹⁰ is an apocalyptic number.

106390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106390 is a deficient number, since it is larger than the sum of its proper divisors (85130).

106390 is a wasteful number, since it uses less digits than its factorization.

106390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 106390 is about 326.1747997623. The cubic root of 106390 is about 47.3842054825.

Adding to 106390 its reverse (93601), we get a palindrome (199991).

It can be divided in two parts, 106 and 390, that added together give a triangular number (496 = T₃₁).

The spelling of 106390 in words is "one hundred six thousand, three hundred ninety".