385671424 has 72 divisors (see below), whose sum is σ = 832643840. Its totient is φ = 177666048.

The previous prime is 385671413. The next prime is 385671427. The reversal of 385671424 is 424176583.

It is not an unprimeable number, because it can be changed into a prime (385671427) 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, 178897 + ... + 181039.

Almost surely, 2^385671424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385671424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416321920).

385671424 is an abundant number, since it is smaller than the sum of its proper divisors (446972416).

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

385671424 is a wasteful number, since it uses less digits than its factorization.

385671424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2201 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 385671424 is about 19638.5188850891. The cubic root of 385671424 is about 727.9012867806.

The spelling of 385671424 in words is "three hundred eighty-five million, six hundred seventy-one thousand, four hundred twenty-four".