630460 has 24 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 243264.

The previous prime is 630451. The next prime is 630467. The reversal of 630460 is 64036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630467) by changing a digit.

630460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (57120).

2⁶³⁰⁴⁶⁰ 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 630460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685440).

630460 is an abundant number, since it is smaller than the sum of its proper divisors (740420).

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

630460 is a wasteful number, since it uses less digits than its factorization.

630460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 630460 is about 794.0151132063. The cubic root of 630460 is about 85.7470483221.

Adding to 630460 its reverse (64036), we get a palindrome (694496).

The spelling of 630460 in words is "six hundred thirty thousand, four hundred sixty".