385341380 has 24 divisors (see below), whose sum is σ = 856818648. Its totient is φ = 145069568.

The previous prime is 385341349. The next prime is 385341401. The reversal of 385341380 is 83143583.

It can be written as a sum of positive squares in 4 ways, for example, as 83137924 + 302203456 = 9118^2 + 17384^2 .

It is a super-3 number, since 3×385341380³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385341380.

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 7 ways as a sum of consecutive naturals, for example, 566339 + ... + 567018.

It is an arithmetic number, because the mean of its divisors is an integer number (35700777).

Almost surely, 2^385341380 is an apocalyptic number.

It is an amenable number.

385341380 is an abundant number, since it is smaller than the sum of its proper divisors (471477268).

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

385341380 is a wasteful number, since it uses less digits than its factorization.

385341380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133383 (or 1133381 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 385341380 is about 19630.1141107228. The cubic root of 385341380 is about 727.6935901081.

The spelling of 385341380 in words is "three hundred eighty-five million, three hundred forty-one thousand, three hundred eighty".