630598 has 12 divisors (see below), whose sum is σ = 1005732. Its totient is φ = 296480.

The previous prime is 630593. The next prime is 630607. The reversal of 630598 is 895036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630593) 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 in 5 ways as a sum of consecutive naturals, for example, 33 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (83811).

2⁶³⁰⁵⁹⁸ is an apocalyptic number.

630598 is a deficient number, since it is larger than the sum of its proper divisors (375134).

630598 is a wasteful number, since it uses less digits than its factorization.

630598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 630598 is about 794.1020085606. The cubic root of 630598 is about 85.7533041932.

The spelling of 630598 in words is "six hundred thirty thousand, five hundred ninety-eight".