385639134 has 8 divisors (see below), whose sum is σ = 771278280. Its totient is φ = 128546376.

The previous prime is 385639103. The next prime is 385639139. The reversal of 385639134 is 431936583.

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

385639134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385639139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32136589 + ... + 32136600.

It is an arithmetic number, because the mean of its divisors is an integer number (96409785).

Almost surely, 2^385639134 is an apocalyptic number.

385639134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385639134 is a wasteful number, since it uses less digits than its factorization.

385639134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64273194.

The product of its digits is 233280, while the sum is 42.

The square root of 385639134 is about 19637.6967590397. The cubic root of 385639134 is about 727.8809719158.

The spelling of 385639134 in words is "three hundred eighty-five million, six hundred thirty-nine thousand, one hundred thirty-four".