630606000 has 160 divisors (see below), whose sum is σ = 2046440448. Its totient is φ = 167059200.

The previous prime is 630605993. The next prime is 630606001. The reversal of 630606000 is 606036.

It is not an unprimeable number, because it can be changed into a prime (630606001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361769 + ... + 1362231.

Almost surely, 2^630606000 is an apocalyptic number.

630606000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630606000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023220224).

630606000 is an abundant number, since it is smaller than the sum of its proper divisors (1415834448).

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

630606000 is a wasteful number, since it uses less digits than its factorization.

630606000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 630606000 is about 25111.8697033893. The cubic root of 630606000 is about 857.5366682436.

The spelling of 630606000 in words is "six hundred thirty million, six hundred six thousand".