385919516 has 12 divisors (see below), whose sum is σ = 715086288. Its totient is φ = 181609152.

The previous prime is 385919497. The next prime is 385919543. The reversal of 385919516 is 615919583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837576 + ... + 2837711.

It is an arithmetic number, because the mean of its divisors is an integer number (59590524).

Almost surely, 2^385919516 is an apocalyptic number.

It is an amenable number.

385919516 is a deficient number, since it is larger than the sum of its proper divisors (329166772).

385919516 is a wasteful number, since it uses less digits than its factorization.

385919516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675308 (or 5675306 counting only the distinct ones).

The product of its digits is 291600, while the sum is 47.

The square root of 385919516 is about 19644.8343337377. The cubic root of 385919516 is about 728.0573330647.

The spelling of 385919516 in words is "three hundred eighty-five million, nine hundred nineteen thousand, five hundred sixteen".