385068739 has 4 divisors (see below), whose sum is σ = 420075000. Its totient is φ = 350062480.

The previous prime is 385068709. The next prime is 385068773. The reversal of 385068739 is 937860583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385068739 - 2⁵ = 385068707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385068692 and 385068701.

It is not an unprimeable number, because it can be changed into a prime (385068709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17503114 + ... + 17503135.

It is an arithmetic number, because the mean of its divisors is an integer number (105018750).

Almost surely, 2^385068739 is an apocalyptic number.

385068739 is a deficient number, since it is larger than the sum of its proper divisors (35006261).

385068739 is a wasteful number, since it uses less digits than its factorization.

385068739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35006260.

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

The square root of 385068739 is about 19623.1684240848. The cubic root of 385068739 is about 727.5219276740.

The spelling of 385068739 in words is "three hundred eighty-five million, sixty-eight thousand, seven hundred thirty-nine".