393228607 has 2 divisors, whose sum is σ = 393228608. Its totient is φ = 393228606.

The previous prime is 393228599. The next prime is 393228629. The reversal of 393228607 is 706822393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 393228607 - 2³ = 393228599 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 393228607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393228307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196614303 + 196614304.

It is an arithmetic number, because the mean of its divisors is an integer number (196614304).

Almost surely, 2^393228607 is an apocalyptic number.

393228607 is a deficient number, since it is larger than the sum of its proper divisors (1).

393228607 is an equidigital number, since it uses as much as digits as its factorization.

393228607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 393228607 is about 19829.9926122024. The cubic root of 393228607 is about 732.6249446928.

The spelling of 393228607 in words is "three hundred ninety-three million, two hundred twenty-eight thousand, six hundred seven".