398115441 has 12 divisors (see below), whose sum is σ = 600058368. Its totient is φ = 253870584.

The previous prime is 398115439. The next prime is 398115479. The reversal of 398115441 is 144511893.

398115441 is a `hidden beast` number, since 39 + 81 + 1 + 544 + 1 = 666.

It is not a de Polignac number, because 398115441 - 2¹ = 398115439 is a prime.

It is a super-3 number, since 3×398115441³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398115396 and 398115405.

It is not an unprimeable number, because it can be changed into a prime (398115481) 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, 961425 + ... + 961838.

It is an arithmetic number, because the mean of its divisors is an integer number (50004864).

Almost surely, 2^398115441 is an apocalyptic number.

It is an amenable number.

398115441 is a deficient number, since it is larger than the sum of its proper divisors (201942927).

398115441 is a wasteful number, since it uses less digits than its factorization.

398115441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923292 (or 1923289 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 398115441 is about 19952.8304007226. The cubic root of 398115441 is about 735.6473486053.

The spelling of 398115441 in words is "three hundred ninety-eight million, one hundred fifteen thousand, four hundred forty-one".