398848042 has 8 divisors (see below), whose sum is σ = 598568256. Its totient is φ = 199325292.

The previous prime is 398848039. The next prime is 398848069. The reversal of 398848042 is 240848893.

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

It is a junction number, because it is equal to n+sod(n) for n = 398847983 and 398848001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44208 + ... + 52459.

It is an arithmetic number, because the mean of its divisors is an integer number (74821032).

Almost surely, 2^398848042 is an apocalyptic number.

398848042 is a deficient number, since it is larger than the sum of its proper divisors (199720214).

398848042 is a wasteful number, since it uses less digits than its factorization.

398848042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98732.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 398848042 is about 19971.1802856015. The cubic root of 398848042 is about 736.0983113889.

The spelling of 398848042 in words is "three hundred ninety-eight million, eight hundred forty-eight thousand, forty-two".