630279039 has 32 divisors (see below), whose sum is σ = 956229120. Its totient is φ = 366069888.

The previous prime is 630279031. The next prime is 630279047. The reversal of 630279039 is 930972036.

It is an interprime number because it is at equal distance from previous prime (630279031) and next prime (630279047).

It is not a de Polignac number, because 630279039 - 2³ = 630279031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 630278988 and 630279006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630279031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215662 + ... + 218564.

It is an arithmetic number, because the mean of its divisors is an integer number (29882160).

Almost surely, 2^630279039 is an apocalyptic number.

630279039 is a deficient number, since it is larger than the sum of its proper divisors (325950081).

630279039 is a wasteful number, since it uses less digits than its factorization.

630279039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 630279039 is about 25105.3587705892. The cubic root of 630279039 is about 857.3884354228.

The spelling of 630279039 in words is "six hundred thirty million, two hundred seventy-nine thousand, thirty-nine".