109006947 has 24 divisors (see below), whose sum is σ = 180910080.
Its totient is φ = 61956720.
The previous prime is 109006903. The next prime is 109006949. The reversal of 109006947 is 749600901.
It is not a de Polignac number, because 109006947 - 216 = 108941411 is a prime.
It is not an unprimeable number, because it can be changed into a prime (109006949) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7504 + ... + 16562.
It is an arithmetic number, because the mean of its divisors is an integer number (7537920).
Almost surely, 2109006947 is an apocalyptic number.
109006947 is a deficient number, since it is larger than the sum of its proper divisors (71903133).
109006947 is a wasteful number, since it uses less digits than its factorization.
109006947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9263 (or 9260 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 109006947 is about 10440.6392045698.
The cubic root of 109006947 is about 477.6957661509.
The spelling of 109006947 in words is "one hundred nine million, six thousand, nine hundred forty-seven".