630846 has 24 divisors (see below), whose sum is σ = 1384344. Its totient is φ = 207600.

The previous prime is 630841. The next prime is 630863. The reversal of 630846 is 648036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630841) by changing a digit.

630846 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, 1645 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (57681).

2⁶³⁰⁸⁴⁶ is an apocalyptic number.

630846 is an abundant number, since it is smaller than the sum of its proper divisors (753498).

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

630846 is a wasteful number, since it uses less digits than its factorization.

630846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 630846 is about 794.2581444342. The cubic root of 630846 is about 85.7645443346.

The spelling of 630846 in words is "six hundred thirty thousand, eight hundred forty-six".