261932 has 12 divisors (see below), whose sum is σ = 500136. Its totient is φ = 119040.

The previous prime is 261917. The next prime is 261959. The reversal of 261932 is 239162.

It is a junction number, because it is equal to n+sod(n) for n = 261898 and 261907.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (41678).

2²⁶¹⁹³² is an apocalyptic number.

261932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

261932 is a deficient number, since it is larger than the sum of its proper divisors (238204).

261932 is a wasteful number, since it uses less digits than its factorization.

261932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968 (or 5966 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 261932 is about 511.7929268757. The cubic root of 261932 is about 63.9827427429.

The spelling of 261932 in words is "two hundred sixty-one thousand, nine hundred thirty-two".