380902033 has 2 divisors, whose sum is σ = 380902034. Its totient is φ = 380902032.

The previous prime is 380902021. The next prime is 380902069. The reversal of 380902033 is 330209083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279959824 + 100942209 = 16732^2 + 10047^2 .

It is a cyclic number.

It is not a de Polignac number, because 380902033 - 2¹³ = 380893841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380901992 and 380902010.

It is not a weakly prime, because it can be changed into another prime (380902133) by changing a digit.

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 as a sum of consecutive naturals, namely, 190451016 + 190451017.

It is an arithmetic number, because the mean of its divisors is an integer number (190451017).

Almost surely, 2^380902033 is an apocalyptic number.

It is an amenable number.

380902033 is a deficient number, since it is larger than the sum of its proper divisors (1).

380902033 is an equidigital number, since it uses as much as digits as its factorization.

380902033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 380902033 is about 19516.7116338793. The cubic root of 380902033 is about 724.8883112927. Note that the first 3 decimals are identical.

The spelling of 380902033 in words is "three hundred eighty million, nine hundred two thousand, thirty-three".