679630 has 48 divisors (see below), whose sum is σ = 1518480. Its totient is φ = 217728.

The previous prime is 679607. The next prime is 679633. The reversal of 679630 is 36976.

It is a junction number, because it is equal to n+sod(n) for n = 679592 and 679601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679633) by changing a digit.

679630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9274 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (31635).

2⁶⁷⁹⁶³⁰ is an apocalyptic number.

679630 is an abundant number, since it is smaller than the sum of its proper divisors (838850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679630 is a wasteful number, since it uses less digits than its factorization.

679630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 679630 is about 824.3967491445. The cubic root of 679630 is about 87.9206412654.

The spelling of 679630 in words is "six hundred seventy-nine thousand, six hundred thirty".