630698 has 4 divisors (see below), whose sum is σ = 946050. Its totient is φ = 315348.

The previous prime is 630689. The next prime is 630701. The reversal of 630698 is 896036.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 628849 + 1849 = 793^2 + 43^2 .

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630698.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157673 + ... + 157676.

2⁶³⁰⁶⁹⁸ is an apocalyptic number.

630698 is a deficient number, since it is larger than the sum of its proper divisors (315352).

630698 is a wasteful number, since it uses less digits than its factorization.

630698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315351.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 630698 is about 794.1649702675. The cubic root of 630698 is about 85.7578368628.

The spelling of 630698 in words is "six hundred thirty thousand, six hundred ninety-eight".