378034417 has 8 divisors (see below), whose sum is σ = 401158080. Its totient is φ = 355468080.

The previous prime is 378034399. The next prime is 378034451. The reversal of 378034417 is 714430873.

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 378034417 - 2⁷ = 378034289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378035417) 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 in 7 ways as a sum of consecutive naturals, for example, 137934 + ... + 140647.

It is an arithmetic number, because the mean of its divisors is an integer number (50144760).

Almost surely, 2^378034417 is an apocalyptic number.

It is an amenable number.

378034417 is a deficient number, since it is larger than the sum of its proper divisors (23123663).

378034417 is a wasteful number, since it uses less digits than its factorization.

378034417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278663.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 378034417 is about 19443.1071848097. The cubic root of 378034417 is about 723.0646229957.

The spelling of 378034417 in words is "three hundred seventy-eight million, thirty-four thousand, four hundred seventeen".