109286386 has 16 divisors (see below), whose sum is σ = 186608448. Its totient is φ = 47515600.

The previous prime is 109286381. The next prime is 109286453. The reversal of 109286386 is 683682901.

It is not an unprimeable number, because it can be changed into a prime (109286381) 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, 107485 + ... + 108496.

It is an arithmetic number, because the mean of its divisors is an integer number (11663028).

Almost surely, 2^109286386 is an apocalyptic number.

109286386 is a deficient number, since it is larger than the sum of its proper divisors (77322062).

109286386 is a wasteful number, since it uses less digits than its factorization.

109286386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216017.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 109286386 is about 10454.0129137093. The cubic root of 109286386 is about 478.1036084296.

It can be divided in two parts, 1092 and 86386, that added together give a palindrome (87478).

The spelling of 109286386 in words is "one hundred nine million, two hundred eighty-six thousand, three hundred eighty-six".