378829970 has 16 divisors (see below), whose sum is σ = 682190208. Its totient is φ = 151466160.

The previous prime is 378829937. The next prime is 378829991. The reversal of 378829970 is 79928873.

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, 20825 + ... + 34515.

It is an arithmetic number, because the mean of its divisors is an integer number (42636888).

Almost surely, 2^378829970 is an apocalyptic number.

378829970 is a deficient number, since it is larger than the sum of its proper divisors (303360238).

378829970 is a wasteful number, since it uses less digits than its factorization.

378829970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16465.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 378829970 is about 19463.5549168183. The cubic root of 378829970 is about 723.5714844148.

The spelling of 378829970 in words is "three hundred seventy-eight million, eight hundred twenty-nine thousand, nine hundred seventy".