109446638 has 16 divisors (see below), whose sum is σ = 194093280. Its totient is φ = 45288096.

The previous prime is 109446611. The next prime is 109446677. The reversal of 109446638 is 836644901.

It is a junction number, because it is equal to n+sod(n) for n = 109446595 and 109446604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134381 + ... + 135192.

It is an arithmetic number, because the mean of its divisors is an integer number (12130830).

Almost surely, 2^109446638 is an apocalyptic number.

109446638 is a deficient number, since it is larger than the sum of its proper divisors (84646642).

109446638 is a wasteful number, since it uses less digits than its factorization.

109446638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269611.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 109446638 is about 10461.6747225289. The cubic root of 109446638 is about 478.3371832405.

The spelling of 109446638 in words is "one hundred nine million, four hundred forty-six thousand, six hundred thirty-eight".