830646612 has 72 divisors (see below), whose sum is σ = 2192037120. Its totient is φ = 264908160.

The previous prime is 830646611. The next prime is 830646613. The reversal of 830646612 is 216646038.

830646612 is a `hidden beast` number, since 8 + 3 + 0 + 646 + 6 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (830646611) and next prime (830646613).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830646611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95143 + ... + 103505.

It is an arithmetic number, because the mean of its divisors is an integer number (30444960).

Almost surely, 2^830646612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830646612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096018560).

830646612 is an abundant number, since it is smaller than the sum of its proper divisors (1361390508).

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

830646612 is a wasteful number, since it uses less digits than its factorization.

830646612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8488 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 830646612 is about 28820.9405120652. The cubic root of 830646612 is about 940.0236194457.

It can be divided in two parts, 83064 and 6612, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 830646612 in words is "eight hundred thirty million, six hundred forty-six thousand, six hundred twelve".