380555893 has 8 divisors (see below), whose sum is σ = 393939000. Its totient is φ = 367190208.

The previous prime is 380555887. The next prime is 380555963. The reversal of 380555893 is 398555083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 242798724 + 137757169 = 15582^2 + 11737^2 .

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 380555893 - 2²⁵ = 347001461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380555803) 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 in 7 ways as a sum of consecutive naturals, for example, 53155 + ... + 59887.

It is an arithmetic number, because the mean of its divisors is an integer number (49242375).

Almost surely, 2^380555893 is an apocalyptic number.

It is an amenable number.

380555893 is a deficient number, since it is larger than the sum of its proper divisors (13383107).

380555893 is a wasteful number, since it uses less digits than its factorization.

380555893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 380555893 is about 19507.8418334781. The cubic root of 380555893 is about 724.6686669910.

The spelling of 380555893 in words is "three hundred eighty million, five hundred fifty-five thousand, eight hundred ninety-three".