385808770 has 64 divisors (see below), whose sum is σ = 733471200. Its totient is φ = 145981440.

The previous prime is 385808767. The next prime is 385808777. The reversal of 385808770 is 77808583.

It can be written as a sum of positive squares in 16 ways, for example, as 982081 + 384826689 = 991^2 + 19617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 385808770.

It is not an unprimeable number, because it can be changed into a prime (385808777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3539476 + ... + 3539584.

Almost surely, 2^385808770 is an apocalyptic number.

385808770 is a deficient number, since it is larger than the sum of its proper divisors (347662430).

385808770 is a wasteful number, since it uses less digits than its factorization.

385808770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 385808770 is about 19642.0154261216. The cubic root of 385808770 is about 727.9876836966.

The spelling of 385808770 in words is "three hundred eighty-five million, eight hundred eight thousand, seven hundred seventy".