830449680 has 40 divisors (see below), whose sum is σ = 2574394752. Its totient is φ = 221453184.

The previous prime is 830449591. The next prime is 830449691. The reversal of 830449680 is 86944038.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1729864 + ... + 1730343.

Almost surely, 2^830449680 is an apocalyptic number.

830449680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

830449680 is an abundant number, since it is smaller than the sum of its proper divisors (1743945072).

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

830449680 is a wasteful number, since it uses less digits than its factorization.

830449680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460223 (or 3460217 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 830449680 is about 28817.5238353333. The cubic root of 830449680 is about 939.9493257729.

The spelling of 830449680 in words is "eight hundred thirty million, four hundred forty-nine thousand, six hundred eighty".