385549 has 4 divisors (see below), whose sum is σ = 402336. Its totient is φ = 368764.

The previous prime is 385537. The next prime is 385559. The reversal of 385549 is 945583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 945583 = 41 ⋅23063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385519) 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, 8359 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (100584).

2³⁸⁵⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

385549 is a deficient number, since it is larger than the sum of its proper divisors (16787).

385549 is a wasteful number, since it uses less digits than its factorization.

385549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16786.

The product of its digits is 21600, while the sum is 34.

The square root of 385549 is about 620.9259215075. The cubic root of 385549 is about 72.7824259193.

Adding to 385549 its sum of digits (34), we get a palindrome (385583).

The spelling of 385549 in words is "three hundred eighty-five thousand, five hundred forty-nine".