398273338 has 8 divisors (see below), whose sum is σ = 598396032. Its totient is φ = 198807996.

The previous prime is 398273333. The next prime is 398273341. The reversal of 398273338 is 833372893.

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

It is not an unprimeable number, because it can be changed into a prime (398273333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162820 + ... + 165247.

It is an arithmetic number, because the mean of its divisors is an integer number (74799504).

Almost surely, 2^398273338 is an apocalyptic number.

398273338 is a deficient number, since it is larger than the sum of its proper divisors (200122694).

398273338 is a wasteful number, since it uses less digits than its factorization.

398273338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328676.

The product of its digits is 653184, while the sum is 46.

The square root of 398273338 is about 19956.7867654089. The cubic root of 398273338 is about 735.7445910502.

The spelling of 398273338 in words is "three hundred ninety-eight million, two hundred seventy-three thousand, three hundred thirty-eight".