261038832 has 20 divisors (see below), whose sum is σ = 674350440. Its totient is φ = 87012928.

The previous prime is 261038797. The next prime is 261038867. The reversal of 261038832 is 238830162.

It is an interprime number because it is at equal distance from previous prime (261038797) and next prime (261038867).

It is a junction number, because it is equal to n+sod(n) for n = 261038793 and 261038802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719107 + ... + 2719202.

It is an arithmetic number, because the mean of its divisors is an integer number (33717522).

Almost surely, 2^261038832 is an apocalyptic number.

It is an amenable number.

261038832 is an abundant number, since it is smaller than the sum of its proper divisors (413311608).

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

261038832 is a wasteful number, since it uses less digits than its factorization.

261038832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438320 (or 5438314 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 261038832 is about 16156.6961969333. The cubic root of 261038832 is about 639.0993451062.

Adding to 261038832 its reverse (238830162), we get a palindrome (499868994).

The spelling of 261038832 in words is "two hundred sixty-one million, thirty-eight thousand, eight hundred thirty-two".