398882236669 has 16 divisors (see below), whose sum is σ = 456316617600. Its totient is φ = 341560848384.

The previous prime is 398882236663. The next prime is 398882236691. The reversal of 398882236669 is 966632288893.

It is not a de Polignac number, because 398882236669 - 2⁵ = 398882236637 is a prime.

It is a super-2 number, since 2×398882236669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398882236598 and 398882236607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398882236663) 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, 34712877 + ... + 34724365.

It is an arithmetic number, because the mean of its divisors is an integer number (28519788600).

Almost surely, 2^398882236669 is an apocalyptic number.

It is an amenable number.

398882236669 is a deficient number, since it is larger than the sum of its proper divisors (57434380931).

398882236669 is a wasteful number, since it uses less digits than its factorization.

398882236669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15972.

The product of its digits is 322486272, while the sum is 70.

The spelling of 398882236669 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, two hundred thirty-six thousand, six hundred sixty-nine".