390229039 has 2 divisors, whose sum is σ = 390229040. Its totient is φ = 390229038.

The previous prime is 390229003. The next prime is 390229123. The reversal of 390229039 is 930922093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390229039 - 2⁷ = 390228911 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 390228989 and 390229007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390229439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195114519 + 195114520.

It is an arithmetic number, because the mean of its divisors is an integer number (195114520).

Almost surely, 2^390229039 is an apocalyptic number.

390229039 is a deficient number, since it is larger than the sum of its proper divisors (1).

390229039 is an equidigital number, since it uses as much as digits as its factorization.

390229039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 390229039 is about 19754.2157272821. The cubic root of 390229039 is about 730.7573543586.

The spelling of 390229039 in words is "three hundred ninety million, two hundred twenty-nine thousand, thirty-nine".