398826213712 has 10 divisors (see below), whose sum is σ = 772725789098. Its totient is φ = 199413106848.

The previous prime is 398826213691. The next prime is 398826213787. The reversal of 398826213712 is 217312628893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 286978775616 + 111847438096 = 535704^2 + 334436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 398826213712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12463319163 + ... + 12463319194.

Almost surely, 2^398826213712 is an apocalyptic number.

It is an amenable number.

398826213712 is a deficient number, since it is larger than the sum of its proper divisors (373899575386).

398826213712 is a wasteful number, since it uses less digits than its factorization.

398826213712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24926638365 (or 24926638359 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 398826213712 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, two hundred thirteen thousand, seven hundred twelve".