385456318 has 16 divisors (see below), whose sum is σ = 623422800. Its totient is φ = 177685056.

The previous prime is 385456289. The next prime is 385456339. The reversal of 385456318 is 813654583.

It is a super-2 number, since 2×385456318² = 297153146172234248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13633 + ... + 30931.

It is an arithmetic number, because the mean of its divisors is an integer number (38963925).

Almost surely, 2^385456318 is an apocalyptic number.

385456318 is a deficient number, since it is larger than the sum of its proper divisors (237966482).

385456318 is a wasteful number, since it uses less digits than its factorization.

385456318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171.

The product of its digits is 345600, while the sum is 43.

The square root of 385456318 is about 19633.0414862293. The cubic root of 385456318 is about 727.7659340397.

The spelling of 385456318 in words is "three hundred eighty-five million, four hundred fifty-six thousand, three hundred eighteen".