109293947 has 8 divisors (see below), whose sum is σ = 131481600. Its totient is φ = 88749864.

The previous prime is 109293931. The next prime is 109293959. The reversal of 109293947 is 749392901.

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

It is not a de Polignac number, because 109293947 - 2⁴ = 109293931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109293898 and 109293907.

It is not an unprimeable number, because it can be changed into a prime (109293997) 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, 410747 + ... + 411012.

It is an arithmetic number, because the mean of its divisors is an integer number (16435200).

Almost surely, 2^109293947 is an apocalyptic number.

109293947 is a deficient number, since it is larger than the sum of its proper divisors (22187653).

109293947 is an equidigital number, since it uses as much as digits as its factorization.

109293947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821785.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 109293947 is about 10454.3745389191. The cubic root of 109293947 is about 478.1146340726.

The spelling of 109293947 in words is "one hundred nine million, two hundred ninety-three thousand, nine hundred forty-seven".