385039349 has 2 divisors, whose sum is σ = 385039350. Its totient is φ = 385039348.

The previous prime is 385039327. The next prime is 385039357. The reversal of 385039349 is 943930583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377058724 + 7980625 = 19418^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 385039349 - 2¹² = 385035253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385039549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192519674 + 192519675.

It is an arithmetic number, because the mean of its divisors is an integer number (192519675).

Almost surely, 2^385039349 is an apocalyptic number.

It is an amenable number.

385039349 is a deficient number, since it is larger than the sum of its proper divisors (1).

385039349 is an equidigital number, since it uses as much as digits as its factorization.

385039349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 385039349 is about 19622.4195500963. The cubic root of 385039349 is about 727.5034180667.

The spelling of 385039349 in words is "three hundred eighty-five million, thirty-nine thousand, three hundred forty-nine".