830490620 has 48 divisors (see below), whose sum is σ = 1816953600. Its totient is φ = 318504960.

The previous prime is 830490571. The next prime is 830490637. The reversal of 830490620 is 26094038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61436 + ... + 73724.

It is an arithmetic number, because the mean of its divisors is an integer number (37853200).

Almost surely, 2^830490620 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 830490620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908476800).

830490620 is an abundant number, since it is smaller than the sum of its proper divisors (986462980).

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

830490620 is a wasteful number, since it uses less digits than its factorization.

830490620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12436 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 830490620 is about 28818.2341582547. The cubic root of 830490620 is about 939.9647715785.

The spelling of 830490620 in words is "eight hundred thirty million, four hundred ninety thousand, six hundred twenty".