630896 has 40 divisors (see below), whose sum is σ = 1440384. Its totient is φ = 262080.

The previous prime is 630893. The next prime is 630899. The reversal of 630896 is 698036.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (630893) and next prime (630899).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751 + ... + 4881.

2⁶³⁰⁸⁹⁶ 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 630896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720192).

630896 is an abundant number, since it is smaller than the sum of its proper divisors (809488).

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

630896 is a wasteful number, since it uses less digits than its factorization.

630896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 630896 is about 794.2896197232. The cubic root of 630896 is about 85.7668101353.

The spelling of 630896 in words is "six hundred thirty thousand, eight hundred ninety-six".