328142378 has 16 divisors (see below), whose sum is σ = 508669440. Its totient is φ = 158598000.

The previous prime is 328142351. The next prime is 328142389. The reversal of 328142378 is 873241823.

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, 63803 + ... + 68753.

It is an arithmetic number, because the mean of its divisors is an integer number (31791840).

Almost surely, 2^328142378 is an apocalyptic number.

328142378 is a deficient number, since it is larger than the sum of its proper divisors (180527062).

328142378 is a wasteful number, since it uses less digits than its factorization.

328142378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053.

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

The square root of 328142378 is about 18114.7006047575. The cubic root of 328142378 is about 689.7432202827.

The spelling of 328142378 in words is "three hundred twenty-eight million, one hundred forty-two thousand, three hundred seventy-eight".