378321089 has 8 divisors (see below), whose sum is σ = 396758400. Its totient is φ = 360049536.

The previous prime is 378321079. The next prime is 378321107. The reversal of 378321089 is 980123873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378321089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378321019) 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 in 7 ways as a sum of consecutive naturals, for example, 36752 + ... + 45905.

It is an arithmetic number, because the mean of its divisors is an integer number (49594800).

Almost surely, 2^378321089 is an apocalyptic number.

It is an amenable number.

378321089 is a deficient number, since it is larger than the sum of its proper divisors (18437311).

378321089 is a wasteful number, since it uses less digits than its factorization.

378321089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82879.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 378321089 is about 19450.4778604537. The cubic root of 378321089 is about 723.2473488699.

The spelling of 378321089 in words is "three hundred seventy-eight million, three hundred twenty-one thousand, eighty-nine".