398141801 has 4 divisors (see below), whose sum is σ = 403749504. Its totient is φ = 392534100.

The previous prime is 398141791. The next prime is 398141803. The reversal of 398141801 is 108141893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108141893 = 883 ⋅122471.

It is a cyclic number.

It is not a de Polignac number, because 398141801 - 2¹⁰ = 398140777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (398141803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803745 + ... + 2803886.

It is an arithmetic number, because the mean of its divisors is an integer number (100937376).

Almost surely, 2^398141801 is an apocalyptic number.

It is an amenable number.

398141801 is a deficient number, since it is larger than the sum of its proper divisors (5607703).

398141801 is an equidigital number, since it uses as much as digits as its factorization.

398141801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607702.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 398141801 is about 19953.4909477014. The cubic root of 398141801 is about 735.6635844624.

The spelling of 398141801 in words is "three hundred ninety-eight million, one hundred forty-one thousand, eight hundred one".