385173760 has 144 divisors (see below), whose sum is σ = 1010161152. Its totient is φ = 140083200.

The previous prime is 385173751. The next prime is 385173773. The reversal of 385173760 is 67371583.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674275 + ... + 674845.

It is an arithmetic number, because the mean of its divisors is an integer number (7015008).

Almost surely, 2^385173760 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 385173760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505080576).

385173760 is an abundant number, since it is smaller than the sum of its proper divisors (624987392).

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

385173760 is a wasteful number, since it uses less digits than its factorization.

385173760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 385173760 is about 19625.8441856650. The cubic root of 385173760 is about 727.5880614381.

The spelling of 385173760 in words is "three hundred eighty-five million, one hundred seventy-three thousand, seven hundred sixty".