378904972 has 6 divisors (see below), whose sum is σ = 663083708. Its totient is φ = 189452484.

The previous prime is 378904969. The next prime is 378904979. The reversal of 378904972 is 279409873.

It is not an unprimeable number, because it can be changed into a prime (378904979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47363118 + ... + 47363125.

Almost surely, 2^378904972 is an apocalyptic number.

It is an amenable number.

378904972 is a deficient number, since it is larger than the sum of its proper divisors (284178736).

378904972 is a wasteful number, since it uses less digits than its factorization.

378904972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94726247 (or 94726245 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 378904972 is about 19465.4815506835. The cubic root of 378904972 is about 723.6192329491.

The spelling of 378904972 in words is "three hundred seventy-eight million, nine hundred four thousand, nine hundred seventy-two".