385004 has 12 divisors (see below), whose sum is σ = 697200. Its totient is φ = 185808.

The previous prime is 385001. The next prime is 385013. The reversal of 385004 is 400583.

385004 = T₈₅ + T₈₆ + ... + T₁₄₂.

It is a pancake number, because a pancake can be divided into 385004 parts by 877 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385001) 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, 1544 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (58100).

2³⁸⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

385004 is a deficient number, since it is larger than the sum of its proper divisors (312196).

385004 is a wasteful number, since it uses less digits than its factorization.

385004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 385004 is about 620.4869055830. The cubic root of 385004 is about 72.7481154277.

Adding to 385004 its reverse (400583), we get a palindrome (785587).

The spelling of 385004 in words is "three hundred eighty-five thousand, four".