385317548 has 96 divisors (see below), whose sum is σ = 878169600. Its totient is φ = 143539200.

The previous prime is 385317521. The next prime is 385317553. The reversal of 385317548 is 845713583.

It is a happy number.

It is a super-2 number, since 2×385317548² = 296939225593464608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 385317499 and 385317508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598708 + ... + 1598948.

It is an arithmetic number, because the mean of its divisors is an integer number (9147600).

Almost surely, 2^385317548 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 385317548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439084800).

385317548 is an abundant number, since it is smaller than the sum of its proper divisors (492852052).

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

385317548 is a wasteful number, since it uses less digits than its factorization.

385317548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 385317548 is about 19629.5070748096. The cubic root of 385317548 is about 727.6785880414.

The spelling of 385317548 in words is "three hundred eighty-five million, three hundred seventeen thousand, five hundred forty-eight".