106896749 has 2 divisors, whose sum is σ = 106896750. Its totient is φ = 106896748.

The previous prime is 106896739. The next prime is 106896791. The reversal of 106896749 is 947698601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 1177225 = 10282^2 + 1085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106896749 is a prime.

It is a super-2 number, since 2×106896749² = 22853829893538002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 106896697 and 106896706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106896719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53448374 + 53448375.

It is an arithmetic number, because the mean of its divisors is an integer number (53448375).

Almost surely, 2^106896749 is an apocalyptic number.

It is an amenable number.

106896749 is a deficient number, since it is larger than the sum of its proper divisors (1).

106896749 is an equidigital number, since it uses as much as digits as its factorization.

106896749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 106896749 is about 10339.0884027558. The cubic root of 106896749 is about 474.5931866800.

The spelling of 106896749 in words is "one hundred six million, eight hundred ninety-six thousand, seven hundred forty-nine".