260707830 has 64 divisors (see below), whose sum is σ = 649617408. Its totient is φ = 66890880.

The previous prime is 260707813. The next prime is 260707831. The reversal of 260707830 is 38707062.

It is a junction number, because it is equal to n+sod(n) for n = 260707791 and 260707800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260707831) 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, 182499 + ... + 183921.

It is an arithmetic number, because the mean of its divisors is an integer number (10150272).

Almost surely, 2^260707830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260707830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324808704).

260707830 is an abundant number, since it is smaller than the sum of its proper divisors (388909578).

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

260707830 is a wasteful number, since it uses less digits than its factorization.

260707830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 260707830 is about 16146.4494549111. The cubic root of 260707830 is about 638.8291009738.

The spelling of 260707830 in words is "two hundred sixty million, seven hundred seven thousand, eight hundred thirty".