378232339 has 4 divisors (see below), whose sum is σ = 387457560. Its totient is φ = 369007120.

The previous prime is 378232331. The next prime is 378232363. The reversal of 378232339 is 933232873.

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

It is a cyclic number.

It is not a de Polignac number, because 378232339 - 2³ = 378232331 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378232331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4612549 + ... + 4612630.

It is an arithmetic number, because the mean of its divisors is an integer number (96864390).

Almost surely, 2^378232339 is an apocalyptic number.

378232339 is a deficient number, since it is larger than the sum of its proper divisors (9225221).

378232339 is an equidigital number, since it uses as much as digits as its factorization.

378232339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9225220.

The product of its digits is 163296, while the sum is 40.

The square root of 378232339 is about 19448.1962916873. The cubic root of 378232339 is about 723.1907891344.

The spelling of 378232339 in words is "three hundred seventy-eight million, two hundred thirty-two thousand, three hundred thirty-nine".