630183 has 8 divisors (see below), whose sum is σ = 851200. Its totient is φ = 414648.

The previous prime is 630181. The next prime is 630193. The reversal of 630183 is 381036.

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

It is not a de Polignac number, because 630183 - 2¹ = 630181 is a prime.

It is a super-2 number, since 2×630183² = 794261226978, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630181) 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, 1093 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (106400).

2⁶³⁰¹⁸³ is an apocalyptic number.

630183 is a deficient number, since it is larger than the sum of its proper divisors (221017).

630183 is a wasteful number, since it uses less digits than its factorization.

630183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 630183 is about 793.8406641134. The cubic root of 630183 is about 85.7344884918.

The spelling of 630183 in words is "six hundred thirty thousand, one hundred eighty-three".