106789393 has 4 divisors (see below), whose sum is σ = 113071140. Its totient is φ = 100507648.

The previous prime is 106789387. The next prime is 106789433. The reversal of 106789393 is 393987601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393987601 = 7 ⋅56283943.

It can be written as a sum of positive squares in 2 ways, for example, as 31047184 + 75742209 = 5572^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 106789393 - 2¹³ = 106781201 is a prime.

It is a super-2 number, since 2×106789393² = 22807948914616898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106789313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140848 + ... + 3140881.

It is an arithmetic number, because the mean of its divisors is an integer number (28267785).

Almost surely, 2^106789393 is an apocalyptic number.

It is an amenable number.

106789393 is a deficient number, since it is larger than the sum of its proper divisors (6281747).

106789393 is an equidigital number, since it uses as much as digits as its factorization.

106789393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281746.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 106789393 is about 10333.8953449316. The cubic root of 106789393 is about 474.4342560839.

The spelling of 106789393 in words is "one hundred six million, seven hundred eighty-nine thousand, three hundred ninety-three".