398151228 has 48 divisors (see below), whose sum is σ = 984940544. Its totient is φ = 124960320.

The previous prime is 398151227. The next prime is 398151239. The reversal of 398151228 is 822151893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398151227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 28227.

Almost surely, 2^398151228 is an apocalyptic number.

It is an amenable number.

398151228 is an abundant number, since it is smaller than the sum of its proper divisors (586789316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398151228 is a wasteful number, since it uses less digits than its factorization.

398151228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29002 (or 29000 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 398151228 is about 19953.7271706316. The cubic root of 398151228 is about 735.6693906398.

The spelling of 398151228 in words is "three hundred ninety-eight million, one hundred fifty-one thousand, two hundred twenty-eight".