261476896 has 12 divisors (see below), whose sum is σ = 514782702. Its totient is φ = 130738432.

The previous prime is 261476893. The next prime is 261476951. The reversal of 261476896 is 698674162.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 113124496 = 12180^2 + 10636^2 .

It is not an unprimeable number, because it can be changed into a prime (261476893) 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 as a sum of consecutive naturals, namely, 4085545 + ... + 4085608.

Almost surely, 2^261476896 is an apocalyptic number.

It is an amenable number.

261476896 is a deficient number, since it is larger than the sum of its proper divisors (253305806).

261476896 is an equidigital number, since it uses as much as digits as its factorization.

261476896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171163 (or 8171155 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 261476896 is about 16170.2472460999. The cubic root of 261476896 is about 639.4566482068.

The spelling of 261476896 in words is "two hundred sixty-one million, four hundred seventy-six thousand, eight hundred ninety-six".