385241863 has 4 divisors (see below), whose sum is σ = 394638048. Its totient is φ = 375845680.

The previous prime is 385241851. The next prime is 385241897. The reversal of 385241863 is 368142583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385241863 - 2¹³ = 385233671 is a prime.

It is a super-2 number, since 2×385241863² = 296822586015421538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385241803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4698031 + ... + 4698112.

It is an arithmetic number, because the mean of its divisors is an integer number (98659512).

Almost surely, 2^385241863 is an apocalyptic number.

385241863 is a deficient number, since it is larger than the sum of its proper divisors (9396185).

385241863 is an equidigital number, since it uses as much as digits as its factorization.

385241863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396184.

The product of its digits is 138240, while the sum is 40.

The square root of 385241863 is about 19627.5791426248. The cubic root of 385241863 is about 727.6309407952.

The spelling of 385241863 in words is "three hundred eighty-five million, two hundred forty-one thousand, eight hundred sixty-three".