396863316 has 72 divisors (see below), whose sum is σ = 1028378624. Its totient is φ = 129003840.

The previous prime is 396863303. The next prime is 396863353. The reversal of 396863316 is 613368693.

396863316 is a `hidden beast` number, since 3 + 9 + 6 + 8 + 633 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278181 + ... + 279603.

Almost surely, 2^396863316 is an apocalyptic number.

396863316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396863316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514189312).

396863316 is an abundant number, since it is smaller than the sum of its proper divisors (631515308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396863316 is a wasteful number, since it uses less digits than its factorization.

396863316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 396863316 is about 19921.4285632331. The cubic root of 396863316 is about 734.8753030161.

The spelling of 396863316 in words is "three hundred ninety-six million, eight hundred sixty-three thousand, three hundred sixteen".