396286378 has 16 divisors (see below), whose sum is σ = 606746880. Its totient is φ = 194065200.

The previous prime is 396286351. The next prime is 396286379. The reversal of 396286378 is 873682693.

It is not an unprimeable number, because it can be changed into a prime (396286379) 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, 22363 + ... + 35953.

It is an arithmetic number, because the mean of its divisors is an integer number (37921680).

Almost surely, 2^396286378 is an apocalyptic number.

396286378 is a deficient number, since it is larger than the sum of its proper divisors (210460502).

396286378 is a wasteful number, since it uses less digits than its factorization.

396286378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13893.

The product of its digits is 2612736, while the sum is 52.

The square root of 396286378 is about 19906.9429596812. The cubic root of 396286378 is about 734.5190232524.

The spelling of 396286378 in words is "three hundred ninety-six million, two hundred eighty-six thousand, three hundred seventy-eight".