380028886 has 4 divisors (see below), whose sum is σ = 570043332. Its totient is φ = 190014442.

The previous prime is 380028811. The next prime is 380028893. The reversal of 380028886 is 688820083.

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

It is a congruent number.

It is an unprimeable number.

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, 95007220 + ... + 95007223.

It is an arithmetic number, because the mean of its divisors is an integer number (142510833).

Almost surely, 2^380028886 is an apocalyptic number.

380028886 is a deficient number, since it is larger than the sum of its proper divisors (190014446).

380028886 is a wasteful number, since it uses less digits than its factorization.

380028886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190014445.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 380028886 is about 19494.3295858052. The cubic root of 380028886 is about 724.3339970210. Note that the first 3 decimals are identical.

The spelling of 380028886 in words is "three hundred eighty million, twenty-eight thousand, eight hundred eighty-six".