398120300 has 72 divisors (see below), whose sum is σ = 913639440. Its totient is φ = 150163200.

The previous prime is 398120299. The next prime is 398120309. The reversal of 398120300 is 3021893.

It is a self number, because there is not a number n which added to its sum of digits gives 398120300.

It is not an unprimeable number, because it can be changed into a prime (398120309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 601970 + ... + 602630.

Almost surely, 2^398120300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456819720).

398120300 is an abundant number, since it is smaller than the sum of its proper divisors (515519140).

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

398120300 is a wasteful number, since it uses less digits than its factorization.

398120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 398120300 is about 19952.9521625247. The cubic root of 398120300 is about 735.6503414524.

The spelling of 398120300 in words is "three hundred ninety-eight million, one hundred twenty thousand, three hundred".