385850889 has 6 divisors (see below), whose sum is σ = 557340186. Its totient is φ = 257233920.

The previous prime is 385850833. The next prime is 385850897. The reversal of 385850889 is 988058583.

385850889 is a `hidden beast` number, since 3 + 8 + 58 + 508 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 233081289 + 152769600 = 15267^2 + 12360^2 .

It is not a de Polignac number, because 385850889 - 2⁷ = 385850761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385850809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21436152 + ... + 21436169.

It is an arithmetic number, because the mean of its divisors is an integer number (92890031).

Almost surely, 2^385850889 is an apocalyptic number.

It is an amenable number.

385850889 is a deficient number, since it is larger than the sum of its proper divisors (171489297).

385850889 is a wasteful number, since it uses less digits than its factorization.

385850889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42872327 (or 42872324 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 385850889 is about 19643.0875628044. The cubic root of 385850889 is about 728.0141743658.

The spelling of 385850889 in words is "three hundred eighty-five million, eight hundred fifty thousand, eight hundred eighty-nine".