106349689 has 2 divisors, whose sum is σ = 106349690. Its totient is φ = 106349688.

The previous prime is 106349687. The next prime is 106349741. The reversal of 106349689 is 986943601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 42029289 = 8020^2 + 6483^2 .

It is a cyclic number.

It is not a de Polignac number, because 106349689 - 2¹ = 106349687 is a prime.

It is a super-2 number, since 2×106349689² = 22620512700793442, which contains 22 as substring.

Together with 106349687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106349687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53174844 + 53174845.

It is an arithmetic number, because the mean of its divisors is an integer number (53174845).

Almost surely, 2^106349689 is an apocalyptic number.

It is an amenable number.

106349689 is a deficient number, since it is larger than the sum of its proper divisors (1).

106349689 is an equidigital number, since it uses as much as digits as its factorization.

106349689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 106349689 is about 10312.5985571048. The cubic root of 106349689 is about 473.7822012675.

The spelling of 106349689 in words is "one hundred six million, three hundred forty-nine thousand, six hundred eighty-nine".