398043401 has 8 divisors (see below), whose sum is σ = 455029440. Its totient is φ = 341088048.

The previous prime is 398043383. The next prime is 398043403. The reversal of 398043401 is 104340893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 398043401 - 2⁶ = 398043337 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 (398043403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39410 + ... + 48468.

It is an arithmetic number, because the mean of its divisors is an integer number (56878680).

Almost surely, 2^398043401 is an apocalyptic number.

It is an amenable number.

398043401 is a deficient number, since it is larger than the sum of its proper divisors (56986039).

398043401 is an equidigital number, since it uses as much as digits as its factorization.

398043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 398043401 is about 19951.0250613847. The cubic root of 398043401 is about 735.6029735100.

The spelling of 398043401 in words is "three hundred ninety-eight million, forty-three thousand, four hundred one".