378744228 has 24 divisors (see below), whose sum is σ = 981929760. Its totient is φ = 126248040.

The previous prime is 378744227. The next prime is 378744239. The reversal of 378744228 is 822447873.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (378744227) 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, 1753338 + ... + 1753553.

It is an arithmetic number, because the mean of its divisors is an integer number (40913740).

Almost surely, 2^378744228 is an apocalyptic number.

It is an amenable number.

378744228 is an abundant number, since it is smaller than the sum of its proper divisors (603185532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378744228 is a wasteful number, since it uses less digits than its factorization.

378744228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506904 (or 3506896 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 378744228 is about 19461.3521626839. The cubic root of 378744228 is about 723.5168907516.

The spelling of 378744228 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, two hundred twenty-eight".