830120998 has 16 divisors (see below), whose sum is σ = 1472136480. Its totient is φ = 343498176.

The previous prime is 830120971. The next prime is 830121013. The reversal of 830120998 is 899021038.

It is a self number, because there is not a number n which added to its sum of digits gives 830120998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021911 + ... + 1022722.

It is an arithmetic number, because the mean of its divisors is an integer number (92008530).

Almost surely, 2^830120998 is an apocalyptic number.

830120998 is a deficient number, since it is larger than the sum of its proper divisors (642015482).

830120998 is a wasteful number, since it uses less digits than its factorization.

830120998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044671.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 830120998 is about 28811.8204561947. The cubic root of 830120998 is about 939.8253025280.

Adding to 830120998 its sum of digits (40), we get a palindrome (830121038).

The spelling of 830120998 in words is "eight hundred thirty million, one hundred twenty thousand, nine hundred ninety-eight".