398059801 has 4 divisors (see below), whose sum is σ = 408818212. Its totient is φ = 387301392.

The previous prime is 398059799. The next prime is 398059807. The reversal of 398059801 is 108950893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108950893 = 8999 ⋅12107.

It can be written as a sum of positive squares in 2 ways, for example, as 206209600 + 191850201 = 14360^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 398059801 - 2¹ = 398059799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398059807) 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, 5379150 + ... + 5379223.

It is an arithmetic number, because the mean of its divisors is an integer number (102204553).

Almost surely, 2^398059801 is an apocalyptic number.

It is an amenable number.

398059801 is a deficient number, since it is larger than the sum of its proper divisors (10758411).

398059801 is a wasteful number, since it uses less digits than its factorization.

398059801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758410.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 398059801 is about 19951.4360636020. The cubic root of 398059801 is about 735.6130760290.

The spelling of 398059801 in words is "three hundred ninety-eight million, fifty-nine thousand, eight hundred one".