398826275283 has 8 divisors (see below), whose sum is σ = 590853741200. Its totient is φ = 265884183504.

The previous prime is 398826275201. The next prime is 398826275333. The reversal of 398826275283 is 382572628893.

398826275283 is a `hidden beast` number, since 3 + 9 + 8 + 82 + 6 + 27 + 528 + 3 = 666.

It is not a de Polignac number, because 398826275283 - 2¹² = 398826271187 is a prime.

It is a super-2 number, since 2×398826275283² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398826275283.

It is not an unprimeable number, because it can be changed into a prime (398826279283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385671738 + ... + 7385671791.

It is an arithmetic number, because the mean of its divisors is an integer number (73856717650).

Almost surely, 2^398826275283 is an apocalyptic number.

398826275283 is a deficient number, since it is larger than the sum of its proper divisors (192027465917).

398826275283 is a wasteful number, since it uses less digits than its factorization.

398826275283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14771343538 (or 14771343532 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 398826275283 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, two hundred seventy-five thousand, two hundred eighty-three".