398930260 has 24 divisors (see below), whose sum is σ = 838164096. Its totient is φ = 159493920.

The previous prime is 398930209. The next prime is 398930269. The reversal of 398930260 is 62039893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398930269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54625 + ... + 61495.

It is an arithmetic number, because the mean of its divisors is an integer number (34923504).

Almost surely, 2^398930260 is an apocalyptic number.

It is an amenable number.

398930260 is an abundant number, since it is smaller than the sum of its proper divisors (439233836).

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

398930260 is a wasteful number, since it uses less digits than its factorization.

398930260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9781 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 398930260 is about 19973.2385956810. The cubic root of 398930260 is about 736.1488873532.

The spelling of 398930260 in words is "three hundred ninety-eight million, nine hundred thirty thousand, two hundred sixty".