106216349 has 4 divisors (see below), whose sum is σ = 106390236. Its totient is φ = 106042464.

The previous prime is 106216339. The next prime is 106216351. The reversal of 106216349 is 943612601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42902500 + 63313849 = 6550^2 + 7957^2 .

It is a cyclic number.

It is not a de Polignac number, because 106216349 - 2⁴ = 106216333 is a prime.

It is a super-2 number, since 2×106216349² = 22563825589779602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106216339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86024 + ... + 87249.

It is an arithmetic number, because the mean of its divisors is an integer number (26597559).

Almost surely, 2^106216349 is an apocalyptic number.

It is an amenable number.

106216349 is a deficient number, since it is larger than the sum of its proper divisors (173887).

106216349 is an equidigital number, since it uses as much as digits as its factorization.

106216349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173886.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 106216349 is about 10306.1316215154. The cubic root of 106216349 is about 473.5841109235.

The spelling of 106216349 in words is "one hundred six million, two hundred sixteen thousand, three hundred forty-nine".