630158 has 8 divisors (see below), whose sum is σ = 951528. Its totient is φ = 312984.

The previous prime is 630151. The next prime is 630163. The reversal of 630158 is 851036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×630158³ = 750705533357712936, 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 (630151) by changing a digit.

630158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 641 + ... + 1292.

It is an arithmetic number, because the mean of its divisors is an integer number (118941).

2⁶³⁰¹⁵⁸ is an apocalyptic number.

630158 is a deficient number, since it is larger than the sum of its proper divisors (321370).

630158 is a wasteful number, since it uses less digits than its factorization.

630158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 630158 is about 793.8249177243. The cubic root of 630158 is about 85.7333547521.

The spelling of 630158 in words is "six hundred thirty thousand, one hundred fifty-eight".