385424866 has 8 divisors (see below), whose sum is σ = 578934720. Its totient is φ = 192446628.

The previous prime is 385424827. The next prime is 385424873. The reversal of 385424866 is 668424583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×385424866² = 297104654662235912, which contains 22 as substring.

It is an unprimeable number.

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, 131086 + ... + 133993.

It is an arithmetic number, because the mean of its divisors is an integer number (72366840).

Almost surely, 2^385424866 is an apocalyptic number.

385424866 is a deficient number, since it is larger than the sum of its proper divisors (193509854).

385424866 is a wasteful number, since it uses less digits than its factorization.

385424866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265808.

The product of its digits is 1105920, while the sum is 46.

The square root of 385424866 is about 19632.2404732623. The cubic root of 385424866 is about 727.7461390455.

The spelling of 385424866 in words is "three hundred eighty-five million, four hundred twenty-four thousand, eight hundred sixty-six".