630039384 has 160 divisors (see below), whose sum is σ = 1966734000. Its totient is φ = 187100928.

The previous prime is 630039383. The next prime is 630039407. The reversal of 630039384 is 483930036.

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 (630039383) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 243007 + ... + 245585.

Almost surely, 2^630039384 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 630039384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983367000).

630039384 is an abundant number, since it is smaller than the sum of its proper divisors (1336694616).

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

630039384 is a wasteful number, since it uses less digits than its factorization.

630039384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 630039384 is about 25100.5853318205. The cubic root of 630039384 is about 857.2797515640.

The spelling of 630039384 in words is "six hundred thirty million, thirty-nine thousand, three hundred eighty-four".