109407986 has 8 divisors (see below), whose sum is σ = 164799360. Its totient is φ = 54474868.

The previous prime is 109407979. The next prime is 109407997. The reversal of 109407986 is 689704901.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113966 + ... + 114921.

It is an arithmetic number, because the mean of its divisors is an integer number (20599920).

Almost surely, 2^109407986 is an apocalyptic number.

109407986 is a deficient number, since it is larger than the sum of its proper divisors (55391374).

109407986 is a wasteful number, since it uses less digits than its factorization.

109407986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229128.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 109407986 is about 10459.8272452273. The cubic root of 109407986 is about 478.2808670117.

The spelling of 109407986 in words is "one hundred nine million, four hundred seven thousand, nine hundred eighty-six".