630867 has 16 divisors (see below), whose sum is σ = 903168. Its totient is φ = 390720.

The previous prime is 630863. The next prime is 630871. The reversal of 630867 is 768036.

It is an interprime number because it is at equal distance from previous prime (630863) and next prime (630871).

It is not a de Polignac number, because 630867 - 2² = 630863 is a prime.

630867 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁶³⁰⁸⁶⁷ is an apocalyptic number.

630867 is a deficient number, since it is larger than the sum of its proper divisors (272301).

630867 is a wasteful number, since it uses less digits than its factorization.

630867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 630867 is about 794.2713642075. The cubic root of 630867 is about 85.7654959855.

The spelling of 630867 in words is "six hundred thirty thousand, eight hundred sixty-seven".