385446811 has 8 divisors (see below), whose sum is σ = 402961824. Its totient is φ = 367994880.

The previous prime is 385446791. The next prime is 385446847. The reversal of 385446811 is 118644583.

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

It is a cyclic number.

It is not a de Polignac number, because 385446811 - 2²⁵ = 351892379 is a prime.

It is a super-2 number, since 2×385446811² = 297138488220139442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385446011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046 + ... + 27931.

It is an arithmetic number, because the mean of its divisors is an integer number (50370228).

Almost surely, 2^385446811 is an apocalyptic number.

385446811 is a deficient number, since it is larger than the sum of its proper divisors (17515013).

385446811 is a wasteful number, since it uses less digits than its factorization.

385446811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31541.

The product of its digits is 92160, while the sum is 40.

The square root of 385446811 is about 19632.7993673852. The cubic root of 385446811 is about 727.7599507179.

The spelling of 385446811 in words is "three hundred eighty-five million, four hundred forty-six thousand, eight hundred eleven".