382869805 has 4 divisors (see below), whose sum is σ = 459443772. Its totient is φ = 306295840.

The previous prime is 382869797. The next prime is 382869829. The reversal of 382869805 is 508968283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508968283 = 1693 ⋅300631.

It can be written as a sum of positive squares in 2 ways, for example, as 159845449 + 223024356 = 12643^2 + 14934^2 .

It is not a de Polignac number, because 382869805 - 2³ = 382869797 is a prime.

It is a Smith number, since the sum of its digits (49) 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38286976 + ... + 38286985.

It is an arithmetic number, because the mean of its divisors is an integer number (114860943).

Almost surely, 2^382869805 is an apocalyptic number.

It is an amenable number.

382869805 is a deficient number, since it is larger than the sum of its proper divisors (76573967).

382869805 is an equidigital number, since it uses as much as digits as its factorization.

382869805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76573966.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 382869805 is about 19567.0591811851. The cubic root of 382869805 is about 726.1344459045.

The spelling of 382869805 in words is "three hundred eighty-two million, eight hundred sixty-nine thousand, eight hundred five".