389349707 has 2 divisors, whose sum is σ = 389349708. Its totient is φ = 389349706.

The previous prime is 389349659. The next prime is 389349733. The reversal of 389349707 is 707943983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389349707 - 2¹⁰ = 389348683 is a prime.

It is not a weakly prime, because it can be changed into another prime (389349307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194674853 + 194674854.

It is an arithmetic number, because the mean of its divisors is an integer number (194674854).

Almost surely, 2^389349707 is an apocalyptic number.

389349707 is a deficient number, since it is larger than the sum of its proper divisors (1).

389349707 is an equidigital number, since it uses as much as digits as its factorization.

389349707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 389349707 is about 19731.9463560998. The cubic root of 389349707 is about 730.2080516643.

The spelling of 389349707 in words is "three hundred eighty-nine million, three hundred forty-nine thousand, seven hundred seven".