378816296 has 8 divisors (see below), whose sum is σ = 710280570. Its totient is φ = 189408144.

The previous prime is 378816289. The next prime is 378816301. The reversal of 378816296 is 692618873.

It can be written as a sum of positive squares in only one way, i.e., 365956900 + 12859396 = 19130^2 + 3586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×378816296² = 287003572230319232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23676011 + ... + 23676026.

Almost surely, 2^378816296 is an apocalyptic number.

It is an amenable number.

378816296 is a deficient number, since it is larger than the sum of its proper divisors (331464274).

378816296 is a wasteful number, since it uses less digits than its factorization.

378816296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47352043 (or 47352039 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 378816296 is about 19463.2036417441. The cubic root of 378816296 is about 723.5627784550.

The spelling of 378816296 in words is "three hundred seventy-eight million, eight hundred sixteen thousand, two hundred ninety-six".