385510089 has 4 divisors (see below), whose sum is σ = 514013456. Its totient is φ = 257006724.

The previous prime is 385510063. The next prime is 385510109. The reversal of 385510089 is 980015583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 385510089 - 2⁷ = 385509961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385510039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64251679 + ... + 64251684.

It is an arithmetic number, because the mean of its divisors is an integer number (128503364).

Almost surely, 2^385510089 is an apocalyptic number.

It is an amenable number.

385510089 is a deficient number, since it is larger than the sum of its proper divisors (128503367).

385510089 is a wasteful number, since it uses less digits than its factorization.

385510089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128503366.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 385510089 is about 19634.4108391365. The cubic root of 385510089 is about 727.7997734837.

The spelling of 385510089 in words is "three hundred eighty-five million, five hundred ten thousand, eighty-nine".