385799539 has 4 divisors (see below), whose sum is σ = 402573456. Its totient is φ = 369025624.

The previous prime is 385799537. The next prime is 385799549. The reversal of 385799539 is 935997583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935997583 = 293 ⋅3194531.

It is a cyclic number.

It is not a de Polignac number, because 385799539 - 2¹ = 385799537 is a prime.

It is a super-2 number, since 2×385799539² = 297682568585225042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385799537) 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, 8386924 + ... + 8386969.

It is an arithmetic number, because the mean of its divisors is an integer number (100643364).

Almost surely, 2^385799539 is an apocalyptic number.

385799539 is a deficient number, since it is larger than the sum of its proper divisors (16773917).

385799539 is a wasteful number, since it uses less digits than its factorization.

385799539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773916.

The product of its digits is 9185400, while the sum is 58.

The square root of 385799539 is about 19641.7804437378. The cubic root of 385799539 is about 727.9818776182.

The spelling of 385799539 in words is "three hundred eighty-five million, seven hundred ninety-nine thousand, five hundred thirty-nine".