396668016 has 200 divisors, whose sum is σ = 1228827600. Its totient is φ = 123171840.

The previous prime is 396668011. The next prime is 396668023. The reversal of 396668016 is 610866693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396668011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2191446 + ... + 2191626.

It is an arithmetic number, because the mean of its divisors is an integer number (6144138).

Almost surely, 2^396668016 is an apocalyptic number.

396668016 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 396668016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614413800).

396668016 is an abundant number, since it is smaller than the sum of its proper divisors (832159584).

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

396668016 is a wasteful number, since it uses less digits than its factorization.

396668016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 396668016 is about 19916.5262031309. The cubic root of 396668016 is about 734.7547369925.

The spelling of 396668016 in words is "three hundred ninety-six million, six hundred sixty-eight thousand, sixteen".