385285653 has 10 divisors (see below), whose sum is σ = 575550294. Its totient is φ = 256857048.

The previous prime is 385285643. The next prime is 385285657. The reversal of 385285653 is 356582583.

385285653 is a `hidden beast` number, since 3 + 85 + 2 + 8 + 565 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 378613764 + 6671889 = 19458^2 + 2583^2 .

It is not a de Polignac number, because 385285653 - 2¹³ = 385277461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385285599 and 385285608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385285657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2378226 + ... + 2378387.

Almost surely, 2^385285653 is an apocalyptic number.

It is an amenable number.

385285653 is a deficient number, since it is larger than the sum of its proper divisors (190264641).

385285653 is an equidigital number, since it uses as much as digits as its factorization.

385285653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756625 (or 4756616 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 385285653 is about 19628.6946331130. The cubic root of 385285653 is about 727.6585094084.

The spelling of 385285653 in words is "three hundred eighty-five million, two hundred eighty-five thousand, six hundred fifty-three".