378034418 has 4 divisors (see below), whose sum is σ = 567051630. Its totient is φ = 189017208.

The previous prime is 378034399. The next prime is 378034451. The reversal of 378034418 is 814430873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814430873 = 643 ⋅1266611.

It can be written as a sum of positive squares in only one way, i.e., 248598289 + 129436129 = 15767^2 + 11377^2 .

It is an unprimeable number.

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, 94508603 + ... + 94508606.

Almost surely, 2^378034418 is an apocalyptic number.

378034418 is a deficient number, since it is larger than the sum of its proper divisors (189017212).

378034418 is a wasteful number, since it uses less digits than its factorization.

378034418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189017211.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 378034418 is about 19443.1072105258. The cubic root of 378034418 is about 723.0646236332.

The spelling of 378034418 in words is "three hundred seventy-eight million, thirty-four thousand, four hundred eighteen".