398826098226 has 24 divisors (see below), whose sum is σ = 864346019004. Its totient is φ = 132907754880.

The previous prime is 398826098221. The next prime is 398826098239. The reversal of 398826098226 is 622890628893.

398826098226 is a `hidden beast` number, since 398 + 82 + 60 + 98 + 2 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 392252942601 + 6573155625 = 626301^2 + 81075^2 .

It is not an unprimeable number, because it can be changed into a prime (398826098221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2784691 + ... + 2924406.

Almost surely, 2^398826098226 is an apocalyptic number.

398826098226 is an abundant number, since it is smaller than the sum of its proper divisors (465519920778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398826098226 is a wasteful number, since it uses less digits than its factorization.

398826098226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712986 (or 5712983 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 398826098226 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, ninety-eight thousand, two hundred twenty-six".