106729439 has 8 divisors (see below), whose sum is σ = 109544400. Its totient is φ = 103944256.

The previous prime is 106729429. The next prime is 106729457. The reversal of 106729439 is 934927601.

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

It is a cyclic number.

It is not a de Polignac number, because 106729439 - 2²⁴ = 89952223 is a prime.

It is a super-2 number, since 2×106729439² = 22782346298509442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106729396 and 106729405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106729429) 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, 89 + ... + 14610.

It is an arithmetic number, because the mean of its divisors is an integer number (13693050).

Almost surely, 2^106729439 is an apocalyptic number.

106729439 is a deficient number, since it is larger than the sum of its proper divisors (2814961).

106729439 is a wasteful number, since it uses less digits than its factorization.

106729439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14889.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 106729439 is about 10330.9940954392. The cubic root of 106729439 is about 474.3454533937.

It can be divided in two parts, 1067 and 29439, that multiplied together give a palindrome (31411413).

The spelling of 106729439 in words is "one hundred six million, seven hundred twenty-nine thousand, four hundred thirty-nine".