207930 has 32 divisors (see below), whose sum is σ = 518400. Its totient is φ = 53312.

The previous prime is 207923. The next prime is 207931. The reversal of 207930 is 39702.

207930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 207897 and 207906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207931) by changing a digit.

207930 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 15 ways as a sum of consecutive naturals, for example, 751 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2²⁰⁷⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259200).

207930 is an abundant number, since it is smaller than the sum of its proper divisors (310470).

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

207930 is a wasteful number, since it uses less digits than its factorization.

207930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 207930 is about 455.9934210052. The cubic root of 207930 is about 59.2432739966.

It can be divided in two parts, 207 and 930, that multiplied together give a triangular number (192510 = T₆₂₀).

The spelling of 207930 in words is "two hundred seven thousand, nine hundred thirty".