106478309 has 8 divisors (see below), whose sum is σ = 122566080. Its totient is φ = 90609696.

The previous prime is 106478287. The next prime is 106478371. The reversal of 106478309 is 903874601.

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

It is a cyclic number.

It is not a de Polignac number, because 106478309 - 2¹⁶ = 106412773 is a prime.

It is a super-2 number, since 2×106478309² = 22675260574998962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106478389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53744 + ... + 55689.

It is an arithmetic number, because the mean of its divisors is an integer number (15320760).

Almost surely, 2^106478309 is an apocalyptic number.

It is an amenable number.

106478309 is a deficient number, since it is larger than the sum of its proper divisors (16087771).

106478309 is a wasteful number, since it uses less digits than its factorization.

106478309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109579.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 106478309 is about 10318.8327343746. The cubic root of 106478309 is about 473.9731227379.

The spelling of 106478309 in words is "one hundred six million, four hundred seventy-eight thousand, three hundred nine".