630395 has 4 divisors (see below), whose sum is σ = 756480. Its totient is φ = 504312.

The previous prime is 630391. The next prime is 630433. The reversal of 630395 is 593036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630395 - 2² = 630391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63035 + ... + 63044.

It is an arithmetic number, because the mean of its divisors is an integer number (189120).

2⁶³⁰³⁹⁵ is an apocalyptic number.

630395 is a deficient number, since it is larger than the sum of its proper divisors (126085).

630395 is a wasteful number, since it uses less digits than its factorization.

630395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126084.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 630395 is about 793.9741809404. The cubic root of 630395 is about 85.7441013999.

The spelling of 630395 in words is "six hundred thirty thousand, three hundred ninety-five".