385487760 has 160 divisors (see below), whose sum is σ = 1372412160. Its totient is φ = 87681024.

The previous prime is 385487737. The next prime is 385487771. The reversal of 385487760 is 67784583.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451494 + ... + 452346.

It is an arithmetic number, because the mean of its divisors is an integer number (8577576).

Almost surely, 2^385487760 is an apocalyptic number.

385487760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385487760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686206080).

385487760 is an abundant number, since it is smaller than the sum of its proper divisors (986924400).

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

385487760 is a wasteful number, since it uses less digits than its factorization.

385487760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 385487760 is about 19633.8422118545. The cubic root of 385487760 is about 727.7857216639.

The spelling of 385487760 in words is "three hundred eighty-five million, four hundred eighty-seven thousand, seven hundred sixty".