398017803996 has 48 divisors (see below), whose sum is σ = 1031939937280. Its totient is φ = 132667210800.

The previous prime is 398017803991. The next prime is 398017804003. The reversal of 398017803996 is 699308710893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398017803991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294165 + ... + 3412851.

Almost surely, 2^398017803996 is an apocalyptic number.

398017803996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398017803996 is an abundant number, since it is smaller than the sum of its proper divisors (633922133284).

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

398017803996 is a wasteful number, since it uses less digits than its factorization.

398017803996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149751 (or 149743 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 398017803996 in words is "three hundred ninety-eight billion, seventeen million, eight hundred three thousand, nine hundred ninety-six".