385893845 has 8 divisors (see below), whose sum is σ = 474367320. Its totient is φ = 301185280.

The previous prime is 385893821. The next prime is 385893853. The reversal of 385893845 is 548398583.

It can be written as a sum of positive squares in 4 ways, for example, as 66699889 + 319193956 = 8167^2 + 17866^2 .

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

It is not a de Polignac number, because 385893845 - 2⁸ = 385893589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941000 + ... + 941409.

It is an arithmetic number, because the mean of its divisors is an integer number (59295915).

Almost surely, 2^385893845 is an apocalyptic number.

It is an amenable number.

385893845 is a deficient number, since it is larger than the sum of its proper divisors (88473475).

385893845 is a wasteful number, since it uses less digits than its factorization.

385893845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882455.

The product of its digits is 4147200, while the sum is 53.

The square root of 385893845 is about 19644.1809450025. The cubic root of 385893845 is about 728.0411894791.

The spelling of 385893845 in words is "three hundred eighty-five million, eight hundred ninety-three thousand, eight hundred forty-five".