378224347 has 8 divisors (see below), whose sum is σ = 403127712. Its totient is φ = 353616000.

The previous prime is 378224309. The next prime is 378224359. The reversal of 378224347 is 743422873.

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-378224347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378224047) 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, 71104 + ... + 76237.

It is an arithmetic number, because the mean of its divisors is an integer number (50390964).

Almost surely, 2^378224347 is an apocalyptic number.

378224347 is a deficient number, since it is larger than the sum of its proper divisors (24903365).

378224347 is a wasteful number, since it uses less digits than its factorization.

378224347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147509.

The product of its digits is 225792, while the sum is 40.

The square root of 378224347 is about 19447.9908216762. The cubic root of 378224347 is about 723.1856954562.

The spelling of 378224347 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, three hundred forty-seven".