393389141 has 2 divisors, whose sum is σ = 393389142. Its totient is φ = 393389140.

The previous prime is 393389123. The next prime is 393389159. The reversal of 393389141 is 141983393.

It is a balanced prime because it is at equal distance from previous prime (393389123) and next prime (393389159).

It can be written as a sum of positive squares in only one way, i.e., 391644100 + 1745041 = 19790^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 393389141 - 2¹⁰ = 393388117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393389341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196694570 + 196694571.

It is an arithmetic number, because the mean of its divisors is an integer number (196694571).

Almost surely, 2^393389141 is an apocalyptic number.

It is an amenable number.

393389141 is a deficient number, since it is larger than the sum of its proper divisors (1).

393389141 is an equidigital number, since it uses as much as digits as its factorization.

393389141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 393389141 is about 19834.0399565999. The cubic root of 393389141 is about 732.7246281930.

The spelling of 393389141 in words is "three hundred ninety-three million, three hundred eighty-nine thousand, one hundred forty-one".