261232796 has 24 divisors (see below), whose sum is σ = 503387136. Its totient is φ = 117630320.

The previous prime is 261232793. The next prime is 261232817. The reversal of 261232796 is 697232162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261232793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23036 + ... + 32451.

It is an arithmetic number, because the mean of its divisors is an integer number (20974464).

Almost surely, 2^261232796 is an apocalyptic number.

It is an amenable number.

261232796 is a deficient number, since it is larger than the sum of its proper divisors (242154340).

261232796 is a wasteful number, since it uses less digits than its factorization.

261232796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55609 (or 55607 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 261232796 is about 16162.6976708717. The cubic root of 261232796 is about 639.2575994341.

The spelling of 261232796 in words is "two hundred sixty-one million, two hundred thirty-two thousand, seven hundred ninety-six".