385340276 has 12 divisors (see below), whose sum is σ = 675346308. Its totient is φ = 192384192.

The previous prime is 385340257. The next prime is 385340303. The reversal of 385340276 is 672043583.

It can be written as a sum of positive squares in 2 ways, for example, as 350812900 + 34527376 = 18730^2 + 5876^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 68441 + ... + 73856.

It is an arithmetic number, because the mean of its divisors is an integer number (56278859).

Almost surely, 2^385340276 is an apocalyptic number.

It is an amenable number.

385340276 is a deficient number, since it is larger than the sum of its proper divisors (290006032).

385340276 is a wasteful number, since it uses less digits than its factorization.

385340276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142978 (or 142976 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 385340276 is about 19630.0859906420. The cubic root of 385340276 is about 727.6928951620.

The spelling of 385340276 in words is "three hundred eighty-five million, three hundred forty thousand, two hundred seventy-six".