385566672 has 20 divisors (see below), whose sum is σ = 996047360. Its totient is φ = 128522208.

The previous prime is 385566661. The next prime is 385566673. The reversal of 385566672 is 276665583.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8032639 = 385566672 / (3 + 8 + 5 + 5 + 6 + 6 + 6 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385566673) 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 3 ways as a sum of consecutive naturals, for example, 4016272 + ... + 4016367.

It is an arithmetic number, because the mean of its divisors is an integer number (49802368).

Almost surely, 2^385566672 is an apocalyptic number.

It is an amenable number.

385566672 is an abundant number, since it is smaller than the sum of its proper divisors (610480688).

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

385566672 is a wasteful number, since it uses less digits than its factorization.

385566672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032650 (or 8032644 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 385566672 is about 19635.8517003974. The cubic root of 385566672 is about 727.8353791926.

The spelling of 385566672 in words is "three hundred eighty-five million, five hundred sixty-six thousand, six hundred seventy-two".