630430794 has 48 divisors (see below), whose sum is σ = 1573398528. Its totient is φ = 178700256.

The previous prime is 630430793. The next prime is 630430903. The reversal of 630430794 is 497034036.

It is not an unprimeable number, because it can be changed into a prime (630430793) 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, 3697 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (32779136).

Almost surely, 2^630430794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630430794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786699264).

630430794 is an abundant number, since it is smaller than the sum of its proper divisors (942967734).

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

630430794 is a wasteful number, since it uses less digits than its factorization.

630430794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539 (or 39536 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 630430794 is about 25108.3809513875. The cubic root of 630430794 is about 857.4572422701.

The spelling of 630430794 in words is "six hundred thirty million, four hundred thirty thousand, seven hundred ninety-four".