260331930 has 24 divisors (see below), whose sum is σ = 676863252. Its totient is φ = 69421824.

The previous prime is 260331923. The next prime is 260331949. The reversal of 260331930 is 39133062.

260331930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 247779081 + 12552849 = 15741^2 + 3543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260331894 and 260331903.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446199 + ... + 1446378.

Almost surely, 2^260331930 is an apocalyptic number.

260331930 is an abundant number, since it is smaller than the sum of its proper divisors (416531322).

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

260331930 is a wasteful number, since it uses less digits than its factorization.

260331930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892590 (or 2892587 counting only the distinct ones).

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

The square root of 260331930 is about 16134.8049259977. The cubic root of 260331930 is about 638.5219226734.

Adding to 260331930 its reverse (39133062), we get a palindrome (299464992).

The spelling of 260331930 in words is "two hundred sixty million, three hundred thirty-one thousand, nine hundred thirty".