630652 has 18 divisors (see below), whose sum is σ = 1214024. Its totient is φ = 286440.

The previous prime is 630613. The next prime is 630659. The reversal of 630652 is 256036.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630659) by changing a digit.

630652 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168 + ... + 1135.

2⁶³⁰⁶⁵² is an apocalyptic number.

It is an amenable number.

630652 is a deficient number, since it is larger than the sum of its proper divisors (583372).

630652 is a wasteful number, since it uses less digits than its factorization.

630652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 630652 is about 794.1360085023. The cubic root of 630652 is about 85.7557518943.

Adding to 630652 its reverse (256036), we get a palindrome (886688).

The spelling of 630652 in words is "six hundred thirty thousand, six hundred fifty-two".