385129544 has 16 divisors (see below), whose sum is σ = 760124400. Its totient is φ = 182429712.

The previous prime is 385129529. The next prime is 385129553. The reversal of 385129544 is 445921583.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266722 + ... + 1267025.

It is an arithmetic number, because the mean of its divisors is an integer number (47507775).

Almost surely, 2^385129544 is an apocalyptic number.

It is an amenable number.

385129544 is a deficient number, since it is larger than the sum of its proper divisors (374994856).

385129544 is a wasteful number, since it uses less digits than its factorization.

385129544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533772 (or 2533768 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 385129544 is about 19624.7176794980. The cubic root of 385129544 is about 727.5602192292.

The spelling of 385129544 in words is "three hundred eighty-five million, one hundred twenty-nine thousand, five hundred forty-four".