378966351 has 16 divisors (see below), whose sum is σ = 522160128. Its totient is φ = 244226400.

The previous prime is 378966319. The next prime is 378966373. The reversal of 378966351 is 153669873.

It is a happy number.

It is not a de Polignac number, because 378966351 - 2⁵ = 378966319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378966351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378966391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117166 + ... + 120356.

It is an arithmetic number, because the mean of its divisors is an integer number (32635008).

Almost surely, 2^378966351 is an apocalyptic number.

378966351 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

378966351 is a deficient number, since it is larger than the sum of its proper divisors (143193777).

378966351 is a wasteful number, since it uses less digits than its factorization.

378966351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502.

The product of its digits is 816480, while the sum is 48.

The square root of 378966351 is about 19467.0580982335. The cubic root of 378966351 is about 723.6583039828.

The spelling of 378966351 in words is "three hundred seventy-eight million, nine hundred sixty-six thousand, three hundred fifty-one".