630894 has 32 divisors (see below), whose sum is σ = 1405440. Its totient is φ = 188760.

The previous prime is 630893. The next prime is 630899. The reversal of 630894 is 498036.

It is a super-3 number, since 3×630894³ = 753338991211670952, which contains 333 as substring.

It is a Curzon 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7947 + ... + 8025.

It is an arithmetic number, because the mean of its divisors is an integer number (43920).

2⁶³⁰⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702720).

630894 is an abundant number, since it is smaller than the sum of its proper divisors (774546).

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

630894 is a wasteful number, since it uses less digits than its factorization.

630894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 630894 is about 794.2883607356. The cubic root of 630894 is about 85.7667195056.

The spelling of 630894 in words is "six hundred thirty thousand, eight hundred ninety-four".