398989852 has 6 divisors (see below), whose sum is σ = 698232248. Its totient is φ = 199494924.

The previous prime is 398989849. The next prime is 398989853. The reversal of 398989852 is 258989893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398989853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49873728 + ... + 49873735.

Almost surely, 2^398989852 is an apocalyptic number.

It is an amenable number.

398989852 is a deficient number, since it is larger than the sum of its proper divisors (299242396).

398989852 is a wasteful number, since it uses less digits than its factorization.

398989852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99747467 (or 99747465 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 61.

The square root of 398989852 is about 19974.7303361022. The cubic root of 398989852 is about 736.1855407107.

The spelling of 398989852 in words is "three hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred fifty-two".