630693 has 32 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 347760.

The previous prime is 630689. The next prime is 630701. The reversal of 630693 is 396036.

It is not a de Polignac number, because 630693 - 2² = 630689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

630693 is a modest number, since divided by 693 gives 63 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8848 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁶³⁰⁶⁹³ is an apocalyptic number.

630693 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

630693 is a deficient number, since it is larger than the sum of its proper divisors (475227).

630693 is a wasteful number, since it uses less digits than its factorization.

630693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 630693 is about 794.1618223007. The cubic root of 630693 is about 85.7576102407.

The spelling of 630693 in words is "six hundred thirty thousand, six hundred ninety-three".