630676 has 6 divisors (see below), whose sum is σ = 1103690. Its totient is φ = 315336.

The previous prime is 630659. The next prime is 630677. The reversal of 630676 is 676036.

It can be written as a sum of positive squares in only one way, i.e., 454276 + 176400 = 674^2 + 420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78831 + ... + 78838.

2⁶³⁰⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

630676 is a deficient number, since it is larger than the sum of its proper divisors (473014).

630676 is a wasteful number, since it uses less digits than its factorization.

630676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157673 (or 157671 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 630676 is about 794.1511191203. The cubic root of 630676 is about 85.7568397166.

The spelling of 630676 in words is "six hundred thirty thousand, six hundred seventy-six".