261476 has 12 divisors (see below), whose sum is σ = 462000. Its totient is φ = 129480.

The previous prime is 261467. The next prime is 261509. The reversal of 261476 is 674162.

261476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 261476.

It is an unprimeable number.

261476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (38500).

2²⁶¹⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

261476 is a deficient number, since it is larger than the sum of its proper divisors (200524).

261476 is a wasteful number, since it uses less digits than its factorization.

261476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 261476 is about 511.3472401412. The cubic root of 261476 is about 63.9455917800.

Subtracting 261476 from its reverse (674162), we obtain a triangular number (412686 = T₉₀₈).

It can be divided in two parts, 261 and 476, that added together give a palindrome (737).

The spelling of 261476 in words is "two hundred sixty-one thousand, four hundred seventy-six".