385329408 has 36 divisors (see below), whose sum is σ = 1025540208. Its totient is φ = 128442880.

The previous prime is 385329403. The next prime is 385329421. The reversal of 385329408 is 804923583.

It is a self number, because there is not a number n which added to its sum of digits gives 385329408.

It is not an unprimeable number, because it can be changed into a prime (385329403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250098 + ... + 251633.

It is an arithmetic number, because the mean of its divisors is an integer number (28487228).

Almost surely, 2^385329408 is an apocalyptic number.

It is an amenable number.

385329408 is an abundant number, since it is smaller than the sum of its proper divisors (640210800).

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

385329408 is an equidigital number, since it uses as much as digits as its factorization.

385329408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501750 (or 501736 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 385329408 is about 19629.8091687107. The cubic root of 385329408 is about 727.6860539005.

The spelling of 385329408 in words is "three hundred eighty-five million, three hundred twenty-nine thousand, four hundred eight".