109406 has 8 divisors (see below), whose sum is σ = 179064. Its totient is φ = 49720.

The previous prime is 109397. The next prime is 109423. The reversal of 109406 is 604901.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (22383).

2¹⁰⁹⁴⁰⁶ is an apocalyptic number.

109406 is a deficient number, since it is larger than the sum of its proper divisors (69658).

109406 is a wasteful number, since it uses less digits than its factorization.

109406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 109406 is about 330.7657781573. The cubic root of 109406 is about 47.8277973038.

It can be divided in two parts, 109 and 406, that added together give a palindrome (515).

The spelling of 109406 in words is "one hundred nine thousand, four hundred six".