385473812 has 6 divisors (see below), whose sum is σ = 674579178. Its totient is φ = 192736904.

The previous prime is 385473787. The next prime is 385473817. The reversal of 385473812 is 218374583.

It can be written as a sum of positive squares in only one way, i.e., 361228036 + 24245776 = 19006^2 + 4924^2 .

It is a super-2 number, since 2×385473812² = 297180119475622688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385473812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385473817) 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 as a sum of consecutive naturals, namely, 48184223 + ... + 48184230.

It is an arithmetic number, because the mean of its divisors is an integer number (112429863).

Almost surely, 2^385473812 is an apocalyptic number.

It is an amenable number.

385473812 is a deficient number, since it is larger than the sum of its proper divisors (289105366).

385473812 is a wasteful number, since it uses less digits than its factorization.

385473812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96368457 (or 96368455 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 385473812 is about 19633.4870056238. The cubic root of 385473812 is about 727.7769437997.

The spelling of 385473812 in words is "three hundred eighty-five million, four hundred seventy-three thousand, eight hundred twelve".