398826695241 has 20 divisors (see below), whose sum is σ = 641607239812. Its totient is φ = 245431811808.

The previous prime is 398826695237. The next prime is 398826695279. The reversal of 398826695241 is 142596628893.

398826695241 is a `hidden beast` number, since 3 + 9 + 88 + 26 + 6 + 9 + 524 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147299369616 + 251527325625 = 383796^2 + 501525^2 .

It is not a de Polignac number, because 398826695241 - 2² = 398826695237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398826695341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189375346 + ... + 189377451.

Almost surely, 2^398826695241 is an apocalyptic number.

It is an amenable number.

398826695241 is a deficient number, since it is larger than the sum of its proper divisors (242780544571).

398826695241 is a wasteful number, since it uses less digits than its factorization.

398826695241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378752822 (or 378752813 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 398826695241 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, six hundred ninety-five thousand, two hundred forty-one".