385909750 has 16 divisors (see below), whose sum is σ = 722423520. Its totient is φ = 154363800.

The previous prime is 385909723. The next prime is 385909759. The reversal of 385909750 is 57909583.

It is a self number, because there is not a number n which added to its sum of digits gives 385909750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385909759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771570 + ... + 772069.

It is an arithmetic number, because the mean of its divisors is an integer number (45151470).

Almost surely, 2^385909750 is an apocalyptic number.

385909750 is a deficient number, since it is larger than the sum of its proper divisors (336513770).

385909750 is a wasteful number, since it uses less digits than its factorization.

385909750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543656 (or 1543646 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 385909750 is about 19644.5857680940. The cubic root of 385909750 is about 728.0511916564.

The spelling of 385909750 in words is "three hundred eighty-five million, nine hundred nine thousand, seven hundred fifty".