630434 has 16 divisors (see below), whose sum is σ = 1104000. Its totient is φ = 269892.

The previous prime is 630433. The next prime is 630451. The reversal of 630434 is 434036.

It is a happy number.

630434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (630433) 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, 227 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (69000).

2⁶³⁰⁴³⁴ is an apocalyptic number.

630434 is a deficient number, since it is larger than the sum of its proper divisors (473566).

630434 is an equidigital number, since it uses as much as digits as its factorization.

630434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 630434 is about 793.9987405532. The cubic root of 630434 is about 85.7458695775.

The spelling of 630434 in words is "six hundred thirty thousand, four hundred thirty-four".