385699 has 4 divisors (see below), whose sum is σ = 388864. Its totient is φ = 382536.

The previous prime is 385663. The next prime is 385709. The reversal of 385699 is 996583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996583 = 7 ⋅142369.

It is a cyclic number.

It is not a de Polignac number, because 385699 - 2⁷ = 385571 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385639) 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, 1392 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (97216).

2³⁸⁵⁶⁹⁹ is an apocalyptic number.

385699 is a deficient number, since it is larger than the sum of its proper divisors (3165).

385699 is a wasteful number, since it uses less digits than its factorization.

385699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 58320, while the sum is 40.

The square root of 385699 is about 621.0466971171. The cubic root of 385699 is about 72.7918634991.

The spelling of 385699 in words is "three hundred eighty-five thousand, six hundred ninety-nine".