630039 has 12 divisors (see below), whose sum is σ = 880376. Its totient is φ = 400752.

The previous prime is 630029. The next prime is 630043. The reversal of 630039 is 930036.

It is not a de Polignac number, because 630039 - 2⁴ = 630023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629997 and 630024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630029) 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 11 ways as a sum of consecutive naturals, for example, 1389 + ... + 1785.

2⁶³⁰⁰³⁹ is an apocalyptic number.

630039 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

630039 is a deficient number, since it is larger than the sum of its proper divisors (250337).

630039 is a wasteful number, since it uses less digits than its factorization.

630039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 630039 is about 793.7499606299. The cubic root of 630039 is about 85.7279577397.

The spelling of 630039 in words is "six hundred thirty thousand, thirty-nine".