398954168 has 16 divisors (see below), whose sum is σ = 750887280. Its totient is φ = 198717568.

The previous prime is 398954119. The next prime is 398954173. The reversal of 398954168 is 861459893.

It is a congruent number.

It is an unprimeable number.

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, 92705 + ... + 96912.

It is an arithmetic number, because the mean of its divisors is an integer number (46930455).

Almost surely, 2^398954168 is an apocalyptic number.

It is an amenable number.

398954168 is a deficient number, since it is larger than the sum of its proper divisors (351933112).

398954168 is a wasteful number, since it uses less digits than its factorization.

398954168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189886 (or 189882 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 398954168 is about 19973.8370875503. The cubic root of 398954168 is about 736.1635929277.

The spelling of 398954168 in words is "three hundred ninety-eight million, nine hundred fifty-four thousand, one hundred sixty-eight".