630708 has 36 divisors (see below), whose sum is σ = 1598688. Its totient is φ = 193440.

The previous prime is 630701. The next prime is 630709. The reversal of 630708 is 807036.

630708 = 1⁵ + 2⁵ + ... + 12⁵.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630701) by changing a digit.

630708 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 11 ways as a sum of consecutive naturals, for example, 1873 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (44408).

2⁶³⁰⁷⁰⁸ 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 630708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799344).

630708 is an abundant number, since it is smaller than the sum of its proper divisors (967980).

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

630708 is a wasteful number, since it uses less digits than its factorization.

630708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 630708 is about 794.1712661637. The cubic root of 630708 is about 85.7582901034.

It can be divided in two parts, 630 and 708, that multiplied together give a triangular number (446040 = T₉₄₄).

The spelling of 630708 in words is "six hundred thirty thousand, seven hundred eight".