393306101 has 8 divisors (see below), whose sum is σ = 423269784. Its totient is φ = 364101120.

The previous prime is 393306077. The next prime is 393306107. The reversal of 393306101 is 101603393.

It can be written as a sum of positive squares in 4 ways, for example, as 3204100 + 390102001 = 1790^2 + 19751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 393306101 - 2⁶ = 393306037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393306107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188600 + ... + 190673.

It is an arithmetic number, because the mean of its divisors is an integer number (52908723).

Almost surely, 2^393306101 is an apocalyptic number.

It is an amenable number.

393306101 is a deficient number, since it is larger than the sum of its proper divisors (29963683).

393306101 is a wasteful number, since it uses less digits than its factorization.

393306101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379351.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 393306101 is about 19831.9464753211. The cubic root of 393306101 is about 732.6730679366.

Adding to 393306101 its reverse (101603393), we get a palindrome (494909494).

The spelling of 393306101 in words is "three hundred ninety-three million, three hundred six thousand, one hundred one".