396898630128 has 1440 divisors, whose sum is σ = 1592114987008. Its totient is φ = 93117911040.

The previous prime is 396898630081. The next prime is 396898630171. The reversal of 396898630128 is 821036898693.

396898630128 is a `hidden beast` number, since 396 + 8 + 98 + 6 + 30 + 128 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 287 ways as a sum of consecutive naturals, for example, 3125186001 + ... + 3125186127.

Almost surely, 2^396898630128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396898630128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796057493504).

396898630128 is an abundant number, since it is smaller than the sum of its proper divisors (1195216356880).

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

396898630128 is a wasteful number, since it uses less digits than its factorization.

396898630128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 396898630128 in words is "three hundred ninety-six billion, eight hundred ninety-eight million, six hundred thirty thousand, one hundred twenty-eight".