106830385 has 4 divisors (see below), whose sum is σ = 128196468. Its totient is φ = 85464304.

The previous prime is 106830341. The next prime is 106830413. The reversal of 106830385 is 583038601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583038601 = 1901 ⋅306701.

It can be written as a sum of positive squares in 2 ways, for example, as 28826161 + 78004224 = 5369^2 + 8832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106830385 is a prime.

It is a super-2 number, since 2×106830385² = 22825462318496450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106830385.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10683034 + ... + 10683043.

It is an arithmetic number, because the mean of its divisors is an integer number (32049117).

Almost surely, 2^106830385 is an apocalyptic number.

It is an amenable number.

106830385 is a deficient number, since it is larger than the sum of its proper divisors (21366083).

106830385 is an equidigital number, since it uses as much as digits as its factorization.

106830385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21366082.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 106830385 is about 10335.8785306330. The cubic root of 106830385 is about 474.4949535014.

Adding to 106830385 its reverse (583038601), we get a palindrome (689868986).

The spelling of 106830385 in words is "one hundred six million, eight hundred thirty thousand, three hundred eighty-five".