385712650 has 24 divisors (see below), whose sum is σ = 725494860. Its totient is φ = 152549760.

The previous prime is 385712647. The next prime is 385712659. The reversal of 385712650 is 56217583.

It can be written as a sum of positive squares in 6 ways, for example, as 103774969 + 281937681 = 10187^2 + 16791^2 .

It is not an unprimeable number, because it can be changed into a prime (385712659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38889 + ... + 47788.

Almost surely, 2^385712650 is an apocalyptic number.

385712650 is a deficient number, since it is larger than the sum of its proper divisors (339782210).

385712650 is a wasteful number, since it uses less digits than its factorization.

385712650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86778 (or 86773 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 385712650 is about 19639.5684779478. The cubic root of 385712650 is about 727.9272219743.

The spelling of 385712650 in words is "three hundred eighty-five million, seven hundred twelve thousand, six hundred fifty".