385789137 has 8 divisors (see below), whose sum is σ = 515860800. Its totient is φ = 256455120.

The previous prime is 385789099. The next prime is 385789139. The reversal of 385789137 is 731987583.

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

It is not a de Polignac number, because 385789137 - 2⁶ = 385789073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385789137.

It is not an unprimeable number, because it can be changed into a prime (385789139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183189 + ... + 185282.

It is an arithmetic number, because the mean of its divisors is an integer number (64482600).

Almost surely, 2^385789137 is an apocalyptic number.

It is an amenable number.

385789137 is a deficient number, since it is larger than the sum of its proper divisors (130071663).

385789137 is a wasteful number, since it uses less digits than its factorization.

385789137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368823.

The product of its digits is 1270080, while the sum is 51.

The square root of 385789137 is about 19641.5156492568. The cubic root of 385789137 is about 727.9753348977.

The spelling of 385789137 in words is "three hundred eighty-five million, seven hundred eighty-nine thousand, one hundred thirty-seven".