630994 has 16 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 249552.

The previous prime is 630967. The next prime is 630997. The reversal of 630994 is 499036.

It is not an unprimeable number, because it can be changed into a prime (630997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (72828).

2⁶³⁰⁹⁹⁴ is an apocalyptic number.

630994 is a deficient number, since it is larger than the sum of its proper divisors (534254).

630994 is a wasteful number, since it uses less digits than its factorization.

630994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 630994 is about 794.3513076719. The cubic root of 630994 is about 85.7712507574.

The spelling of 630994 in words is "six hundred thirty thousand, nine hundred ninety-four".