385178332 has 72 divisors (see below), whose sum is σ = 883749888. Its totient is φ = 143515680.

The previous prime is 385178329. The next prime is 385178351. The reversal of 385178332 is 233871583.

385178332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75453 + ... + 80395.

It is an arithmetic number, because the mean of its divisors is an integer number (12274304).

Almost surely, 2^385178332 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 385178332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441874944).

385178332 is an abundant number, since it is smaller than the sum of its proper divisors (498571556).

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

385178332 is a wasteful number, since it uses less digits than its factorization.

385178332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999 (or 4986 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 385178332 is about 19625.9606643853. The cubic root of 385178332 is about 727.5909402422.

The spelling of 385178332 in words is "three hundred eighty-five million, one hundred seventy-eight thousand, three hundred thirty-two".