385220608 has 36 divisors (see below), whose sum is σ = 770700420. Its totient is φ = 192544768.

The previous prime is 385220603. The next prime is 385220609. The reversal of 385220608 is 806022583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385220603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129603 + ... + 132541.

It is an arithmetic number, because the mean of its divisors is an integer number (21408345).

Almost surely, 2^385220608 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 385220608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385350210).

385220608 is an abundant number, since it is smaller than the sum of its proper divisors (385479812).

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

385220608 is an frugal number, since it uses more digits than its factorization.

385220608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 385220608 is about 19627.0376776527. The cubic root of 385220608 is about 727.6175586565.

The spelling of 385220608 in words is "three hundred eighty-five million, two hundred twenty thousand, six hundred eight".