398829100 has 18 divisors (see below), whose sum is σ = 865459364. Its totient is φ = 159531600.

The previous prime is 398829097. The next prime is 398829113. The reversal of 398829100 is 1928893.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994046 + ... + 1994245.

Almost surely, 2^398829100 is an apocalyptic number.

It is an amenable number.

398829100 is an abundant number, since it is smaller than the sum of its proper divisors (466630264).

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

398829100 is a wasteful number, since it uses less digits than its factorization.

398829100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988305 (or 3988298 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 398829100 is about 19970.7060466074. The cubic root of 398829100 is about 736.0866583336.

The spelling of 398829100 in words is "three hundred ninety-eight million, eight hundred twenty-nine thousand, one hundred".