398830786252 has 12 divisors (see below), whose sum is σ = 714185361736. Its totient is φ = 194777825760.

The previous prime is 398830786217. The next prime is 398830786253. The reversal of 398830786252 is 252687038893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398830786253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159391649 + ... + 1159391992.

Almost surely, 2^398830786252 is an apocalyptic number.

It is an amenable number.

398830786252 is a deficient number, since it is larger than the sum of its proper divisors (315354575484).

398830786252 is a wasteful number, since it uses less digits than its factorization.

398830786252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318783688 (or 2318783686 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 398830786252 in words is "three hundred ninety-eight billion, eight hundred thirty million, seven hundred eighty-six thousand, two hundred fifty-two".