385884180 has 72 divisors (see below), whose sum is σ = 1276932384. Its totient is φ = 93547200.

The previous prime is 385884157. The next prime is 385884197. The reversal of 385884180 is 81488583.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95466 + ... + 99425.

It is an arithmetic number, because the mean of its divisors is an integer number (17735172).

Almost surely, 2^385884180 is an apocalyptic number.

385884180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385884180 is an abundant number, since it is smaller than the sum of its proper divisors (891048204).

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

385884180 is a wasteful number, since it uses less digits than its factorization.

385884180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194917 (or 194912 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 385884180 is about 19643.9349418593. The cubic root of 385884180 is about 728.0351113163.

The spelling of 385884180 in words is "three hundred eighty-five million, eight hundred eighty-four thousand, one hundred eighty".