106839349 has 2 divisors, whose sum is σ = 106839350. Its totient is φ = 106839348.

The previous prime is 106839329. The next prime is 106839409. The reversal of 106839349 is 943938601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106461124 + 378225 = 10318^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 106839349 - 2⁷ = 106839221 is a prime.

It is a super-2 number, since 2×106839349² = 22829292989487602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106839329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53419674 + 53419675.

It is an arithmetic number, because the mean of its divisors is an integer number (53419675).

Almost surely, 2^106839349 is an apocalyptic number.

It is an amenable number.

106839349 is a deficient number, since it is larger than the sum of its proper divisors (1).

106839349 is an equidigital number, since it uses as much as digits as its factorization.

106839349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 106839349 is about 10336.3121566640. The cubic root of 106839349 is about 474.5082245504.

The spelling of 106839349 in words is "one hundred six million, eight hundred thirty-nine thousand, three hundred forty-nine".