378635394 has 16 divisors (see below), whose sum is σ = 762799968. Its totient is φ = 125290272.

The previous prime is 378635359. The next prime is 378635419. The reversal of 378635394 is 493536873.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229492 + ... + 231135.

It is an arithmetic number, because the mean of its divisors is an integer number (47674998).

Almost surely, 2^378635394 is an apocalyptic number.

378635394 is an abundant number, since it is smaller than the sum of its proper divisors (384164574).

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

378635394 is a wasteful number, since it uses less digits than its factorization.

378635394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460769.

The product of its digits is 1632960, while the sum is 48.

The square root of 378635394 is about 19458.5558045812. Note that the first 3 decimals coincide. The cubic root of 378635394 is about 723.4475820774.

The spelling of 378635394 in words is "three hundred seventy-eight million, six hundred thirty-five thousand, three hundred ninety-four".