378030289 has 16 divisors (see below), whose sum is σ = 489758080. Its totient is φ = 283357440.

The previous prime is 378030253. The next prime is 378030293. The reversal of 378030289 is 982030873.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 378030289 - 2¹⁹ = 377506001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378030299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107592 + ... + 111049.

It is an arithmetic number, because the mean of its divisors is an integer number (30609880).

Almost surely, 2^378030289 is an apocalyptic number.

It is an amenable number.

378030289 is a deficient number, since it is larger than the sum of its proper divisors (111727791).

378030289 is a wasteful number, since it uses less digits than its factorization.

378030289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218680.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 378030289 is about 19443.0010286478. The cubic root of 378030289 is about 723.0619911175.

Subtracting from 378030289 its sum of digits (40), we obtain a square (378030249 = 19443²).

The spelling of 378030289 in words is "three hundred seventy-eight million, thirty thousand, two hundred eighty-nine".