378123494 has 12 divisors (see below), whose sum is σ = 659787084. Its totient is φ = 162052884.

The previous prime is 378123491. The next prime is 378123511. The reversal of 378123494 is 494321873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378123491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1929104 + ... + 1929299.

It is an arithmetic number, because the mean of its divisors is an integer number (54982257).

Almost surely, 2^378123494 is an apocalyptic number.

378123494 is a deficient number, since it is larger than the sum of its proper divisors (281663590).

378123494 is a wasteful number, since it uses less digits than its factorization.

378123494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858419 (or 3858412 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 378123494 is about 19445.3977588529. The cubic root of 378123494 is about 723.1214109196.

The spelling of 378123494 in words is "three hundred seventy-eight million, one hundred twenty-three thousand, four hundred ninety-four".