398919093370 has 32 divisors (see below), whose sum is σ = 820658055168. Its totient is φ = 136768178688.

The previous prime is 398919093367. The next prime is 398919093413. The reversal of 398919093370 is 73390919893.

It is a junction number, because it is equal to n+sod(n) for n = 398919093299 and 398919093308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3149994 + ... + 3274186.

It is an arithmetic number, because the mean of its divisors is an integer number (25645564224).

Almost surely, 2^398919093370 is an apocalyptic number.

398919093370 is an abundant number, since it is smaller than the sum of its proper divisors (421738961798).

398919093370 is a wasteful number, since it uses less digits than its factorization.

398919093370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170094.

The product of its (nonzero) digits is 9920232, while the sum is 61.

The spelling of 398919093370 in words is "three hundred ninety-eight billion, nine hundred nineteen million, ninety-three thousand, three hundred seventy".