630873 has 12 divisors (see below), whose sum is σ = 918528. Its totient is φ = 417240.

The previous prime is 630871. The next prime is 630893. The reversal of 630873 is 378036.

It is a happy number.

630873 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 630873 - 2¹ = 630871 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (76544).

2⁶³⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

630873 is a deficient number, since it is larger than the sum of its proper divisors (287655).

630873 is a wasteful number, since it uses less digits than its factorization.

630873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 630873 is about 794.2751412451. The cubic root of 630873 is about 85.7657678818.

The spelling of 630873 in words is "six hundred thirty thousand, eight hundred seventy-three".