630683 has 8 divisors (see below), whose sum is σ = 697248. Its totient is φ = 567424.

The previous prime is 630677. The next prime is 630689. The reversal of 630683 is 386036.

It is an interprime number because it is at equal distance from previous prime (630677) and next prime (630689).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630683 - 2¹⁸ = 368539 is a prime.

It is a super-2 number, since 2×630683² = 795522092978, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (87156).

2⁶³⁰⁶⁸³ is an apocalyptic number.

630683 is a deficient number, since it is larger than the sum of its proper divisors (66565).

630683 is a wasteful number, since it uses less digits than its factorization.

630683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 630683 is about 794.1555263297. The cubic root of 630683 is about 85.7571569929.

The spelling of 630683 in words is "six hundred thirty thousand, six hundred eighty-three".