385442 has 6 divisors (see below), whose sum is σ = 579483. Its totient is φ = 192282.

The previous prime is 385433. The next prime is 385471. The reversal of 385442 is 244583.

It can be written as a sum of positive squares in only one way, i.e., 192721 + 192721 = 439^2 + 439^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=439.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 659 + ... + 1097.

2³⁸⁵⁴⁴² is an apocalyptic number.

385442 is a deficient number, since it is larger than the sum of its proper divisors (194041).

385442 is an frugal number, since it uses more digits than its factorization.

385442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 441 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 385442 is about 620.8397538818. The cubic root of 385442 is about 72.7756922831.

The spelling of 385442 in words is "three hundred eighty-five thousand, four hundred forty-two".