390246079 has 2 divisors, whose sum is σ = 390246080. Its totient is φ = 390246078.

The previous prime is 390246071. The next prime is 390246107. The reversal of 390246079 is 970642093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390246079 - 2³ = 390246071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390246071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195123039 + 195123040.

It is an arithmetic number, because the mean of its divisors is an integer number (195123040).

Almost surely, 2^390246079 is an apocalyptic number.

390246079 is a deficient number, since it is larger than the sum of its proper divisors (1).

390246079 is an equidigital number, since it uses as much as digits as its factorization.

390246079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 390246079 is about 19754.6470229159. The cubic root of 390246079 is about 730.7679907822.

The spelling of 390246079 in words is "three hundred ninety million, two hundred forty-six thousand, seventy-nine".