398273336 has 16 divisors (see below), whose sum is σ = 779230800. Its totient is φ = 190478464.

The previous prime is 398273333. The next prime is 398273341. The reversal of 398273336 is 633372893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398273333) 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, 1082081 + ... + 1082448.

It is an arithmetic number, because the mean of its divisors is an integer number (48701925).

Almost surely, 2^398273336 is an apocalyptic number.

It is an amenable number.

398273336 is a deficient number, since it is larger than the sum of its proper divisors (380957464).

398273336 is a wasteful number, since it uses less digits than its factorization.

398273336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164558 (or 2164554 counting only the distinct ones).

The product of its digits is 489888, while the sum is 44.

The square root of 398273336 is about 19956.7867153006. The cubic root of 398273336 is about 735.7445898186.

The spelling of 398273336 in words is "three hundred ninety-eight million, two hundred seventy-three thousand, three hundred thirty-six".