385899 has 8 divisors (see below), whose sum is σ = 517440. Its totient is φ = 255816.

The previous prime is 385897. The next prime is 385901. The reversal of 385899 is 998583.

It is an interprime number because it is at equal distance from previous prime (385897) and next prime (385901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385899 - 2¹ = 385897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385899.

It is not an unprimeable number, because it can be changed into a prime (385897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2³⁸⁵⁸⁹⁹ is an apocalyptic number.

385899 is a deficient number, since it is larger than the sum of its proper divisors (131541).

385899 is a wasteful number, since it uses less digits than its factorization.

385899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 77760, while the sum is 42.

The square root of 385899 is about 621.2076947366. The cubic root of 385899 is about 72.8044431334.

The spelling of 385899 in words is "three hundred eighty-five thousand, eight hundred ninety-nine".