106378969 has 4 divisors (see below), whose sum is σ = 108973620. Its totient is φ = 103784320.

The previous prime is 106378927. The next prime is 106378999. The reversal of 106378969 is 969873601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2073600 + 104305369 = 1440^2 + 10213^2 .

It is a cyclic number.

It is not a de Polignac number, because 106378969 - 2⁹ = 106378457 is a prime.

It is a super-2 number, since 2×106378969² = 22632970091005922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106378999) 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, 1297264 + ... + 1297345.

It is an arithmetic number, because the mean of its divisors is an integer number (27243405).

Almost surely, 2^106378969 is an apocalyptic number.

It is an amenable number.

106378969 is a deficient number, since it is larger than the sum of its proper divisors (2594651).

106378969 is an equidigital number, since it uses as much as digits as its factorization.

106378969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594650.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 106378969 is about 10314.0180822025. The cubic root of 106378969 is about 473.8256775581.

The spelling of 106378969 in words is "one hundred six million, three hundred seventy-eight thousand, nine hundred sixty-nine".