385386578 has 8 divisors (see below), whose sum is σ = 579368700. Its totient is φ = 192263680.

The previous prime is 385386577. The next prime is 385386587. The reversal of 385386578 is 875683583.

It can be written as a sum of positive squares in 2 ways, for example, as 377641489 + 7745089 = 19433^2 + 2783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (385386577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213683 + ... + 215478.

Almost surely, 2^385386578 is an apocalyptic number.

385386578 is a deficient number, since it is larger than the sum of its proper divisors (193982122).

385386578 is a wasteful number, since it uses less digits than its factorization.

385386578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429612.

The product of its digits is 4838400, while the sum is 53.

The square root of 385386578 is about 19631.2653183640. The cubic root of 385386578 is about 727.7220402138.

The spelling of 385386578 in words is "three hundred eighty-five million, three hundred eighty-six thousand, five hundred seventy-eight".