385879 has 4 divisors (see below), whose sum is σ = 415576. Its totient is φ = 356184.

The previous prime is 385877. The next prime is 385897. The reversal of 385879 is 978583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978583 = 547 ⋅1789.

It is a cyclic number.

It is not a de Polignac number, because 385879 - 2¹ = 385877 is a prime.

It is a Duffinian number.

385879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385877) 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, 14829 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (103894).

2³⁸⁵⁸⁷⁹ is an apocalyptic number.

385879 is a deficient number, since it is larger than the sum of its proper divisors (29697).

385879 is a wasteful number, since it uses less digits than its factorization.

385879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29696.

The product of its digits is 60480, while the sum is 40.

The square root of 385879 is about 621.1915968524. The cubic root of 385879 is about 72.8031853656.

Subtracting 385879 from its reverse (978583), we obtain a cube (592704 = 84³).

The spelling of 385879 in words is "three hundred eighty-five thousand, eight hundred seventy-nine".