398722200 has 48 divisors (see below), whose sum is σ = 1236040680. Its totient is φ = 106325760.

The previous prime is 398722193. The next prime is 398722213. The reversal of 398722200 is 2227893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331669 + ... + 332868.

Almost surely, 2^398722200 is an apocalyptic number.

398722200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398722200 is an abundant number, since it is smaller than the sum of its proper divisors (837318480).

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

398722200 is a wasteful number, since it uses less digits than its factorization.

398722200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664556 (or 664547 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 398722200 is about 19968.0294470937. The cubic root of 398722200 is about 736.0208868915.

The spelling of 398722200 in words is "three hundred ninety-eight million, seven hundred twenty-two thousand, two hundred".