398070330 has 64 divisors (see below), whose sum is σ = 1149327360. Its totient is φ = 86197824.

The previous prime is 398070319. The next prime is 398070331. The reversal of 398070330 is 33070893.

It is a junction number, because it is equal to n+sod(n) for n = 398070291 and 398070300.

It is not an unprimeable number, because it can be changed into a prime (398070331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45894 + ... + 53873.

It is an arithmetic number, because the mean of its divisors is an integer number (17958240).

Almost surely, 2^398070330 is an apocalyptic number.

398070330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398070330 is an abundant number, since it is smaller than the sum of its proper divisors (751257030).

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

398070330 is a wasteful number, since it uses less digits than its factorization.

398070330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99803.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 398070330 is about 19951.6999275751. The cubic root of 398070330 is about 735.6195618232.

The spelling of 398070330 in words is "three hundred ninety-eight million, seventy thousand, three hundred thirty".