398830918110 has 32 divisors (see below), whose sum is σ = 964731174912. Its totient is φ = 105517470240.

The previous prime is 398830918061. The next prime is 398830918117. The reversal of 398830918110 is 11819038893.

It is a super-2 number, since 2×398830918110² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398830918117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52336206 + ... + 52343825.

It is an arithmetic number, because the mean of its divisors is an integer number (30147849216).

Almost surely, 2^398830918110 is an apocalyptic number.

398830918110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398830918110 is an abundant number, since it is smaller than the sum of its proper divisors (565900256802).

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

398830918110 is a wasteful number, since it uses less digits than its factorization.

398830918110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104680168.

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 398830918110 in words is "three hundred ninety-eight billion, eight hundred thirty million, nine hundred eighteen thousand, one hundred ten".