398373338 has 8 divisors (see below), whose sum is σ = 651883680. Its totient is φ = 181078780.

The previous prime is 398373307. The next prime is 398373347. The reversal of 398373338 is 833373893.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 398373292 and 398373301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9053918 + ... + 9053961.

It is an arithmetic number, because the mean of its divisors is an integer number (81485460).

Almost surely, 2^398373338 is an apocalyptic number.

398373338 is a deficient number, since it is larger than the sum of its proper divisors (253510342).

398373338 is a wasteful number, since it uses less digits than its factorization.

398373338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107892.

The product of its digits is 979776, while the sum is 47.

The square root of 398373338 is about 19959.2920215122. The cubic root of 398373338 is about 735.8061637568.

The spelling of 398373338 in words is "three hundred ninety-eight million, three hundred seventy-three thousand, three hundred thirty-eight".