380828093 has 2 divisors, whose sum is σ = 380828094. Its totient is φ = 380828092.

The previous prime is 380828083. The next prime is 380828099. The reversal of 380828093 is 390828083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237714724 + 143113369 = 15418^2 + 11963^2 .

It is a cyclic number.

It is not a de Polignac number, because 380828093 - 2¹² = 380823997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380828093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380828099) 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 as a sum of consecutive naturals, namely, 190414046 + 190414047.

It is an arithmetic number, because the mean of its divisors is an integer number (190414047).

Almost surely, 2^380828093 is an apocalyptic number.

It is an amenable number.

380828093 is a deficient number, since it is larger than the sum of its proper divisors (1).

380828093 is an equidigital number, since it uses as much as digits as its factorization.

380828093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 380828093 is about 19514.8172679121. The cubic root of 380828093 is about 724.8414035967.

The spelling of 380828093 in words is "three hundred eighty million, eight hundred twenty-eight thousand, ninety-three".