830743212 has 48 divisors (see below), whose sum is σ = 2116133600. Its totient is φ = 252108288.

The previous prime is 830743159. The next prime is 830743219. The reversal of 830743212 is 212347038.

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

It is a self number, because there is not a number n which added to its sum of digits gives 830743212.

It is not an unprimeable number, because it can be changed into a prime (830743219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25087 + ... + 47862.

Almost surely, 2^830743212 is an apocalyptic number.

It is an amenable number.

830743212 is an abundant number, since it is smaller than the sum of its proper divisors (1285390388).

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

830743212 is a wasteful number, since it uses less digits than its factorization.

830743212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73042 (or 73040 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 830743212 is about 28822.6163281545. The cubic root of 830743212 is about 940.0600580308.

The spelling of 830743212 in words is "eight hundred thirty million, seven hundred forty-three thousand, two hundred twelve".