109348849 has 3 divisors (see below), whose sum is σ = 109359307. Its totient is φ = 109338392.

The previous prime is 109348847. The next prime is 109348861. The reversal of 109348849 is 948843901.

The square root of 109348849 is 10457.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 98903025 + 10445824 = 9945^2 + 3232^2 .

It is not a de Polignac number, because 109348849 - 2¹ = 109348847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109348799 and 109348808.

It is not an unprimeable number, because it can be changed into a prime (109348843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5229 + ... + 15685.

Almost surely, 2^109348849 is an apocalyptic number.

109348849 is the 10457-th square number.

109348849 is the 5229-th centered octagonal number.

It is an amenable number.

109348849 is a deficient number, since it is larger than the sum of its proper divisors (10458).

109348849 is an frugal number, since it uses more digits than its factorization.

109348849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20914 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The cubic root of 109348849 is about 478.1946783211.

The spelling of 109348849 in words is "one hundred nine million, three hundred forty-eight thousand, eight hundred forty-nine".