380844853 has 2 divisors, whose sum is σ = 380844854. Its totient is φ = 380844852.

The previous prime is 380844839. The next prime is 380844883. The reversal of 380844853 is 358448083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326055249 + 54789604 = 18057^2 + 7402^2 .

It is a cyclic number.

It is not a de Polignac number, because 380844853 - 2¹³ = 380836661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380844883) by changing a digit.

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 as a sum of consecutive naturals, namely, 190422426 + 190422427.

It is an arithmetic number, because the mean of its divisors is an integer number (190422427).

Almost surely, 2^380844853 is an apocalyptic number.

It is an amenable number.

380844853 is a deficient number, since it is larger than the sum of its proper divisors (1).

380844853 is an equidigital number, since it uses as much as digits as its factorization.

380844853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 380844853 is about 19515.2466804804. The cubic root of 380844853 is about 724.8520367091.

The spelling of 380844853 in words is "three hundred eighty million, eight hundred forty-four thousand, eight hundred fifty-three".