378091226 has 8 divisors (see below), whose sum is σ = 568401300. Its totient is φ = 188624128.

The previous prime is 378091213. The next prime is 378091247. The reversal of 378091226 is 622190873.

It can be written as a sum of positive squares in 2 ways, for example, as 332515225 + 45576001 = 18235^2 + 6751^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 378091226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209621 + ... + 211416.

Almost surely, 2^378091226 is an apocalyptic number.

378091226 is a deficient number, since it is larger than the sum of its proper divisors (190310074).

378091226 is a wasteful number, since it uses less digits than its factorization.

378091226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421488.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 378091226 is about 19444.5680332580. The cubic root of 378091226 is about 723.1008406158.

The spelling of 378091226 in words is "three hundred seventy-eight million, ninety-one thousand, two hundred twenty-six".