103406 has 8 divisors (see below), whose sum is σ = 156600. Its totient is φ = 51208.

The previous prime is 103399. The next prime is 103409. The reversal of 103406 is 604301.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103406.

It is not an unprimeable number, because it can be changed into a prime (103409) by changing a digit.

103406 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 125 + ... + 471.

It is an arithmetic number, because the mean of its divisors is an integer number (19575).

2¹⁰³⁴⁰⁶ is an apocalyptic number.

103406 is a deficient number, since it is larger than the sum of its proper divisors (53194).

103406 is a wasteful number, since it uses less digits than its factorization.

103406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103406 is about 321.5680332371. The cubic root of 103406 is about 46.9369911671.

Adding to 103406 its reverse (604301), we get a palindrome (707707).

The spelling of 103406 in words is "one hundred three thousand, four hundred six".