385449 has 4 divisors (see below), whose sum is σ = 513936. Its totient is φ = 256964.

The previous prime is 385433. The next prime is 385471. The reversal of 385449 is 944583.

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.

It is a cyclic number.

It is not a de Polignac number, because 385449 - 2⁴ = 385433 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (385249) 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, 64239 + ... + 64244.

It is an arithmetic number, because the mean of its divisors is an integer number (128484).

2³⁸⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

385449 is a deficient number, since it is larger than the sum of its proper divisors (128487).

385449 is a wasteful number, since it uses less digits than its factorization.

385449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128486.

The product of its digits is 17280, while the sum is 33.

The square root of 385449 is about 620.8453913818. The cubic root of 385449 is about 72.7761328395.

The spelling of 385449 in words is "three hundred eighty-five thousand, four hundred forty-nine".