378338393 has 8 divisors (see below), whose sum is σ = 398841120. Its totient is φ = 357894720.

The previous prime is 378338369. The next prime is 378338399. The reversal of 378338393 is 393833873.

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

It is a cyclic number.

It is not a de Polignac number, because 378338393 - 2⁸ = 378338137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378338399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (49855140).

Almost surely, 2^378338393 is an apocalyptic number.

It is an amenable number.

378338393 is a deficient number, since it is larger than the sum of its proper divisors (20502727).

378338393 is a wasteful number, since it uses less digits than its factorization.

378338393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29527.

The product of its digits is 979776, while the sum is 47.

The square root of 378338393 is about 19450.9226773436. The cubic root of 378338393 is about 723.2583755539.

The spelling of 378338393 in words is "three hundred seventy-eight million, three hundred thirty-eight thousand, three hundred ninety-three".