393380109 has 24 divisors (see below), whose sum is σ = 593790912. Its totient is φ = 250483200.

The previous prime is 393380107. The next prime is 393380131. The reversal of 393380109 is 901083393.

It is not a de Polignac number, because 393380109 - 2¹ = 393380107 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393380101) 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 23 ways as a sum of consecutive naturals, for example, 244909 + ... + 246509.

It is an arithmetic number, because the mean of its divisors is an integer number (24741288).

Almost surely, 2^393380109 is an apocalyptic number.

It is an amenable number.

393380109 is a deficient number, since it is larger than the sum of its proper divisors (200410803).

393380109 is a wasteful number, since it uses less digits than its factorization.

393380109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 393380109 is about 19833.8122659261. The cubic root of 393380109 is about 732.7190204975.

The spelling of 393380109 in words is "three hundred ninety-three million, three hundred eighty thousand, one hundred nine".