378842963 has 8 divisors (see below), whose sum is σ = 390719040. Its totient is φ = 367053120.

The previous prime is 378842951. The next prime is 378842969. The reversal of 378842963 is 369248873.

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 378842963 - 2⁸ = 378842707 is a prime.

It is a super-2 number, since 2×378842963² = 287043981229238738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378842969) 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, 12578 + ... + 30263.

It is an arithmetic number, because the mean of its divisors is an integer number (48839880).

Almost surely, 2^378842963 is an apocalyptic number.

378842963 is a deficient number, since it is larger than the sum of its proper divisors (11876077).

378842963 is a wasteful number, since it uses less digits than its factorization.

378842963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43117.

The product of its digits is 1741824, while the sum is 50.

The square root of 378842963 is about 19463.8886916258. Note that the first 3 decimals coincide. The cubic root of 378842963 is about 723.5797566016.

The spelling of 378842963 in words is "three hundred seventy-eight million, eight hundred forty-two thousand, nine hundred sixty-three".