385687039 has 2 divisors, whose sum is σ = 385687040. Its totient is φ = 385687038.

The previous prime is 385687021. The next prime is 385687063. The reversal of 385687039 is 930786583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385687039 - 2⁹ = 385686527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385686983 and 385687001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385687009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192843519 + 192843520.

It is an arithmetic number, because the mean of its divisors is an integer number (192843520).

Almost surely, 2^385687039 is an apocalyptic number.

385687039 is a deficient number, since it is larger than the sum of its proper divisors (1).

385687039 is an equidigital number, since it uses as much as digits as its factorization.

385687039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 385687039 is about 19638.9164415963. The cubic root of 385687039 is about 727.9111103632.

The spelling of 385687039 in words is "three hundred eighty-five million, six hundred eighty-seven thousand, thirty-nine".