378494306 has 16 divisors (see below), whose sum is σ = 584086464. Its totient is φ = 183868464.

The previous prime is 378494297. The next prime is 378494309. The reversal of 378494306 is 603494873.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (378494309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6416 + ... + 28251.

It is an arithmetic number, because the mean of its divisors is an integer number (36505404).

Almost surely, 2^378494306 is an apocalyptic number.

378494306 is a deficient number, since it is larger than the sum of its proper divisors (205592158).

378494306 is a wasteful number, since it uses less digits than its factorization.

378494306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 378494306 is about 19454.9301206661. The cubic root of 378494306 is about 723.3577133413.

The spelling of 378494306 in words is "three hundred seventy-eight million, four hundred ninety-four thousand, three hundred six".