385204 has 24 divisors (see below), whose sum is σ = 725760. Its totient is φ = 178464.

The previous prime is 385199. The next prime is 385223. The reversal of 385204 is 402583.

385204 = 27² + 28² + ... + 105².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³⁸⁵²⁰⁴ is an apocalyptic number.

It is an amenable number.

385204 is a deficient number, since it is larger than the sum of its proper divisors (340556).

385204 is a wasteful number, since it uses less digits than its factorization.

385204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 385204 is about 620.6480484139. The cubic root of 385204 is about 72.7607101924.

Adding to 385204 its reverse (402583), we get a palindrome (787787).

The spelling of 385204 in words is "three hundred eighty-five thousand, two hundred four".