385076505 has 16 divisors (see below), whose sum is σ = 672133824. Its totient is φ = 186703680.

The previous prime is 385076443. The next prime is 385076509. The reversal of 385076505 is 505670583.

It is not a de Polignac number, because 385076505 - 2⁶ = 385076441 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (385076509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166734 + ... + 1167063.

It is an arithmetic number, because the mean of its divisors is an integer number (42008364).

Almost surely, 2^385076505 is an apocalyptic number.

It is an amenable number.

385076505 is a deficient number, since it is larger than the sum of its proper divisors (287057319).

385076505 is a wasteful number, since it uses less digits than its factorization.

385076505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333816.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 385076505 is about 19623.3663014275. The cubic root of 385076505 is about 727.5268184868.

The spelling of 385076505 in words is "three hundred eighty-five million, seventy-six thousand, five hundred five".