830749490 has 32 divisors (see below), whose sum is σ = 1534208256. Its totient is φ = 323775360.

The previous prime is 830749481. The next prime is 830749511. The reversal of 830749490 is 94947038.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53735 + ... + 67445.

It is an arithmetic number, because the mean of its divisors is an integer number (47944008).

Almost surely, 2^830749490 is an apocalyptic number.

830749490 is a deficient number, since it is larger than the sum of its proper divisors (703458766).

830749490 is a wasteful number, since it uses less digits than its factorization.

830749490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13874.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 830749490 is about 28822.7252354804. The cubic root of 830749490 is about 940.0624260639.

The spelling of 830749490 in words is "eight hundred thirty million, seven hundred forty-nine thousand, four hundred ninety".