398830859070 has 64 divisors (see below), whose sum is σ = 1094258557440. Its totient is φ = 91134465408.

The previous prime is 398830859069. The next prime is 398830859081. The reversal of 398830859070 is 70958038893.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 398830858995 and 398830859013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438501 + ... + 994959.

It is an arithmetic number, because the mean of its divisors is an integer number (17097789960).

Almost surely, 2^398830859070 is an apocalyptic number.

398830859070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398830859070 is an abundant number, since it is smaller than the sum of its proper divisors (695427698370).

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

398830859070 is a wasteful number, since it uses less digits than its factorization.

398830859070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559889.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 398830859070 in words is "three hundred ninety-eight billion, eight hundred thirty million, eight hundred fifty-nine thousand, seventy".