385072 has 20 divisors (see below), whose sum is σ = 765576. Its totient is φ = 187520.

The previous prime is 385069. The next prime is 385079. The reversal of 385072 is 270583.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (385079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363 + ... + 949.

2³⁸⁵⁰⁷² is an apocalyptic number.

It is an amenable number.

385072 is a deficient number, since it is larger than the sum of its proper divisors (380504).

385072 is a wasteful number, since it uses less digits than its factorization.

385072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 385072 is about 620.5416988406. The cubic root of 385072 is about 72.7523981370.

The spelling of 385072 in words is "three hundred eighty-five thousand, seventy-two".